Southwest Airlines flight WN 503: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:35 Kansas City (MCI) 06:35 Las Vegas Harry Reid (LAS) 1
WN 503 Non-stop Boeing 737-800 (73H) 3:00 Valid until 2025-06-02
Sat 06:35 Kansas City (MCI) 07:35 Las Vegas Harry Reid (LAS) 1
WN 503 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Valid until 2025-05-31
Thu 08:10 Houston Hobby (HOU) 09:35 Oklahoma City (OKC)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Operates only on 2025-11-27
Mon,Thu,Fri 08:15 Seattle-Tacoma (SEA) 10:30 San Jose (SJC) B
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-10-02 through 2025-10-31
Tue,Wed 08:30 Kansas City (MCI) 09:30 Las Vegas Harry Reid (LAS) 1
WN 503 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Valid until 2025-06-04
Tue,Wed 09:10 San Jose (SJC) B 10:35 Santa Ana (SNA)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-10-07 through 2025-10-29
Tue,Wed 10:40 Tucson (TUS) 12:30 Denver (DEN)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-11-04 through 2025-11-12
Mon-Thu 10:40 Tucson (TUS) 12:30 Denver (DEN)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-11-17 through 2025-11-20
Mon-Fri 10:40 Tucson (TUS) 12:30 Denver (DEN)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-12-02 through 2025-12-11
Mon-Wed 10:40 Tucson (TUS) 12:30 Denver (DEN)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-12-15 through 2025-12-17
Wed,Thu 10:40 Tucson (TUS) 12:30 Denver (DEN)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri 11:05 San Jose (SJC) B 12:30 Santa Ana (SNA)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-10-02 through 2025-10-31
Mon-Wed 12:20 Reno (RNO) 13:40 Las Vegas Harry Reid (LAS) 1
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 12:20 Reno (RNO) 13:40 Las Vegas Harry Reid (LAS) 1
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-12-19 through 2026-01-04
Mon,Thu,Fri 13:05 Santa Ana (SNA) 16:25 Denver (DEN)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-10-02 through 2025-10-31
Tue,Wed 13:10 Denver (DEN) 14:50 Salt Lake City (SLC)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2025-11-04 through 2025-11-12
Mon-Thu 13:10 Denver (DEN) 14:50 Salt Lake City (SLC)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2025-11-17 through 2025-11-20
Mon-Fri 13:10 Denver (DEN) 14:50 Salt Lake City (SLC)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2025-12-02 through 2025-12-11
Mon-Wed 13:10 Denver (DEN) 14:50 Salt Lake City (SLC)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2025-12-15 through 2025-12-17
Wed,Thu 13:10 Denver (DEN) 14:50 Salt Lake City (SLC)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2025-12-24 through 2026-01-01
Sun 13:25 Denver (DEN) 15:05 Salt Lake City (SLC)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Operates only on 2025-11-30
Sun 14:00 Phoenix Sky Harbor (PHX) 4 15:20 Long Beach (LGB)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-05 through 2025-10-26
Sun 14:50 Sacramento (SMF) B 16:20 Santa Ana (SNA)
WN 503 Non-stop Boeing 737-700 (73W) 1:30 Operates only on 2025-08-31
Mon,Thu,Fri,Sun 15:15 Denver (DEN) 16:50 Salt Lake City (SLC)
WN 503 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 15:15 Denver (DEN) 16:50 Salt Lake City (SLC)
WN 503 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-11-21 through 2025-11-28
Fri,Sun 15:15 Denver (DEN) 16:50 Salt Lake City (SLC)
WN 503 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-12-07 through 2025-12-14
Thu 15:15 Denver (DEN) 16:50 Salt Lake City (SLC)
WN 503 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2025-12-18
Mon 15:15 Denver (DEN) 16:50 Salt Lake City (SLC)
WN 503 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2026-01-05
Tue,Wed 15:25 Salt Lake City (SLC) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-11-04 through 2025-11-12
Mon-Thu 15:25 Salt Lake City (SLC) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-11-17 through 2025-11-20
Mon-Fri 15:25 Salt Lake City (SLC) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-12-02 through 2025-12-11
Mon-Wed 15:25 Salt Lake City (SLC) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-12-15 through 2025-12-17
Wed,Thu 15:25 Salt Lake City (SLC) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-12-24 through 2026-01-01
Sun 15:50 Sacramento (SMF) B 17:20 Santa Ana (SNA)
WN 503 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-08-10 through 2025-08-24
Sun 15:50 Sacramento (SMF) B 17:20 Santa Ana (SNA)
WN 503 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-09-07 through 2025-09-28
Sun 15:55 Long Beach (LGB) 17:15 Oakland (OAK) 2
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-05 through 2025-10-26
Mon,Thu,Fri 16:00 Austin (AUS) 20:15 Baltimore (BWI)
WN 503 Non-stop Boeing 737-800 (73H) 3:15 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 16:00 Austin (AUS) 20:15 Baltimore (BWI)
WN 503 Non-stop Boeing 737-800 (73H) 3:15 Effective 2025-07-07 through 2025-08-04
Mon,Thu,Fri 16:45 Sacramento (SMF) B 18:10 Santa Ana (SNA)
WN 503 Non-stop Boeing 737-700 (73W) 1:25 Effective 2025-08-07 through 2025-09-29
Sat 16:50 Austin (AUS) 21:05 Baltimore (BWI)
WN 503 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-06-07 through 2025-08-02
Sat 17:05 Sacramento (SMF) B 18:35 Santa Ana (SNA)
WN 503 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-08-09 through 2025-09-27
Fri 17:15 Austin (AUS) 21:30 Baltimore (BWI)
WN 503 Non-stop Boeing 737-700 (73W) 3:15 Operates only on 2025-07-04
Tue,Wed 17:45 Phoenix Sky Harbor (PHX) 4 18:15 Burbank (BUR)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-04 through 2025-11-12
Mon-Thu 17:45 Phoenix Sky Harbor (PHX) 4 18:15 Burbank (BUR)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-17 through 2025-11-20
Mon-Fri 17:45 Phoenix Sky Harbor (PHX) 4 18:15 Burbank (BUR)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-02 through 2025-12-11
Mon-Wed 17:45 Phoenix Sky Harbor (PHX) 4 18:15 Burbank (BUR)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-15 through 2025-12-17
Wed,Thu 17:45 Phoenix Sky Harbor (PHX) 4 18:15 Burbank (BUR)
WN 503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri 18:45 Santa Ana (SNA) 22:00 Denver (DEN)
WN 503 Non-stop Boeing 737-700 (73W) 2:15 Effective 2025-08-07 through 2025-09-29
Tue,Wed 19:00 Sacramento (SMF) B 20:30 Santa Ana (SNA)
WN 503 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-08-05 through 2025-10-01
Tue,Wed 19:05 Austin (AUS) 23:15 Baltimore (BWI)
WN 503 Non-stop Boeing 737-700 (73W) 3:10 Effective 2025-06-10 through 2025-07-30
Non-Direct Flights:
Mon,Thu,Fri 08:15 Seattle-Tacoma (SEA) 12:30 Santa Ana (SNA)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:15 Effective 2025-10-02 through 2025-10-31
Tue,Wed 10:40 Tucson (TUS) 14:50 Salt Lake City (SLC)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-11-04 through 2025-11-12
Mon-Thu 10:40 Tucson (TUS) 14:50 Salt Lake City (SLC)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-11-17 through 2025-11-20
Mon-Fri 10:40 Tucson (TUS) 14:50 Salt Lake City (SLC)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-12-02 through 2025-12-11
Mon-Wed 10:40 Tucson (TUS) 14:50 Salt Lake City (SLC)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-12-15 through 2025-12-17
Wed,Thu 10:40 Tucson (TUS) 14:50 Salt Lake City (SLC)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri 11:05 San Jose (SJC) B 16:25 Denver (DEN)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:20 Effective 2025-10-02 through 2025-10-31
Tue,Wed 13:10 Denver (DEN) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2025-11-04 through 2025-11-12
Mon-Thu 13:10 Denver (DEN) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2025-11-17 through 2025-11-20
Mon-Fri 13:10 Denver (DEN) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2025-12-02 through 2025-12-11
Mon-Wed 13:10 Denver (DEN) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2025-12-15 through 2025-12-17
Wed,Thu 13:10 Denver (DEN) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2025-12-24 through 2026-01-01
Sun 14:00 Phoenix Sky Harbor (PHX) 4 17:15 Oakland (OAK) 2
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2025-10-05 through 2025-10-26
Tue,Wed 15:25 Salt Lake City (SLC) 18:15 Burbank (BUR)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2025-11-04 through 2025-11-12
Mon-Thu 15:25 Salt Lake City (SLC) 18:15 Burbank (BUR)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2025-11-17 through 2025-11-20
Mon-Fri 15:25 Salt Lake City (SLC) 18:15 Burbank (BUR)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2025-12-02 through 2025-12-11
Mon-Wed 15:25 Salt Lake City (SLC) 18:15 Burbank (BUR)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2025-12-15 through 2025-12-17
Wed,Thu 15:25 Salt Lake City (SLC) 18:15 Burbank (BUR)
WN 503 1-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri 16:45 Sacramento (SMF) B 22:00 Denver (DEN)
WN 503 1-stop Boeing 737-700 (73W) 4:15 Effective 2025-08-07 through 2025-09-29
Mon,Thu,Fri 08:15 Seattle-Tacoma (SEA) 16:25 Denver (DEN)
WN 503 2-stop Boeing 737-700 (Scimitar Winglets) 7:10 Effective 2025-10-02 through 2025-10-31
Tue,Wed 10:40 Tucson (TUS) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 2-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2025-11-04 through 2025-11-12
Mon-Thu 10:40 Tucson (TUS) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 2-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2025-11-17 through 2025-11-20
Mon-Fri 10:40 Tucson (TUS) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 2-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2025-12-02 through 2025-12-11
Mon-Wed 10:40 Tucson (TUS) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 2-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2025-12-15 through 2025-12-17
Wed,Thu 10:40 Tucson (TUS) 17:10 Phoenix Sky Harbor (PHX) 4
WN 503 2-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2025-12-24 through 2026-01-01
Tue,Wed 13:10 Denver (DEN) 18:15 Burbank (BUR)
WN 503 2-stop Boeing 737-700 (Scimitar Winglets) 6:05 Effective 2025-11-04 through 2025-11-12
Mon-Thu 13:10 Denver (DEN) 18:15 Burbank (BUR)
WN 503 2-stop Boeing 737-700 (Scimitar Winglets) 6:05 Effective 2025-11-17 through 2025-11-20
Mon-Fri 13:10 Denver (DEN) 18:15 Burbank (BUR)
WN 503 2-stop Boeing 737-700 (Scimitar Winglets) 6:05 Effective 2025-12-02 through 2025-12-11
Mon-Wed 13:10 Denver (DEN) 18:15 Burbank (BUR)
WN 503 2-stop Boeing 737-700 (Scimitar Winglets) 6:05 Effective 2025-12-15 through 2025-12-17
Wed,Thu 13:10 Denver (DEN) 18:15 Burbank (BUR)
WN 503 2-stop Boeing 737-700 (Scimitar Winglets) 6:05 Effective 2025-12-24 through 2026-01-01
Tue,Wed 10:40 Tucson (TUS) 18:15 Burbank (BUR)
WN 503 3-stop Boeing 737-700 (Scimitar Winglets) 8:35 Effective 2025-11-04 through 2025-11-12
Mon-Thu 10:40 Tucson (TUS) 18:15 Burbank (BUR)
WN 503 3-stop Boeing 737-700 (Scimitar Winglets) 8:35 Effective 2025-11-17 through 2025-11-20
Mon-Fri 10:40 Tucson (TUS) 18:15 Burbank (BUR)
WN 503 3-stop Boeing 737-700 (Scimitar Winglets) 8:35 Effective 2025-12-02 through 2025-12-11
Mon-Wed 10:40 Tucson (TUS) 18:15 Burbank (BUR)
WN 503 3-stop Boeing 737-700 (Scimitar Winglets) 8:35 Effective 2025-12-15 through 2025-12-17
Wed,Thu 10:40 Tucson (TUS) 18:15 Burbank (BUR)
WN 503 3-stop Boeing 737-700 (Scimitar Winglets) 8:35 Effective 2025-12-24 through 2026-01-01
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 503: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN503
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN503
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN503
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN503
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN503
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN503
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN503
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN503
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN503
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN503
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN503
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN503
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN503
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN503
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN503
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN503
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN503
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN503
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN503
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN503
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-700 (73W)

Non-Direct Flights:

Southwest Airlines WN503
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:50, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:50, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:50, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:50, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:50, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:15, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN503
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 7:10, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:30, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:30, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:30, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:30, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:30, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:35, 3-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 8:35, 3-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 8:35, 3-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:35, 3-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN503
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 8:35, 3-stop
Boeing 737-700 (Scimitar Winglets)
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Parallax here
This flight number is listed as serving the following routes:
  • Austin (AUS) - Baltimore (BWI)
  • Denver (DEN) - Burbank (BUR)
  • Denver (DEN) - Phoenix Sky Harbor (PHX)
  • Denver (DEN) - Salt Lake City (SLC)
  • Houston Hobby (HOU) - Oklahoma City (OKC)
  • Kansas City (MCI) - Las Vegas Harry Reid (LAS)
  • Long Beach (LGB) - Oakland (OAK)
  • Phoenix Sky Harbor (PHX) - Burbank (BUR)
  • Phoenix Sky Harbor (PHX) - Long Beach (LGB)
  • Phoenix Sky Harbor (PHX) - Oakland (OAK)
  • Reno (RNO) - Las Vegas Harry Reid (LAS)
  • Sacramento (SMF) - Denver (DEN)
  • Sacramento (SMF) - Santa Ana (SNA)
  • Salt Lake City (SLC) - Burbank (BUR)
  • Salt Lake City (SLC) - Phoenix Sky Harbor (PHX)
  • San Jose (SJC) - Denver (DEN)
  • San Jose (SJC) - Santa Ana (SNA)
  • Santa Ana (SNA) - Denver (DEN)
  • Seattle-Tacoma (SEA) - Denver (DEN)
  • Seattle-Tacoma (SEA) - San Jose (SJC)
  • Seattle-Tacoma (SEA) - Santa Ana (SNA)
  • Tucson (TUS) - Burbank (BUR)
  • Tucson (TUS) - Denver (DEN)
  • Tucson (TUS) - Phoenix Sky Harbor (PHX)
  • Tucson (TUS) - Salt Lake City (SLC)