Alaska Airlines flight AS 4259: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 05:00 Des Moines (DSM) 06:27 Chicago O'Hare (ORD) 3
AS 4259 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 4390)
Daily 09:09 El Paso (ELP) 09:39 Phoenix Sky Harbor (PHX) 4
AS 4259 Non-stop Embraer EMB 175 (E75) 1:30 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 4889)
Daily 09:36 Kansas City (MCI) 11:21 Dallas Fort Worth (DFW)
AS 4259 Non-stop Airbus A320 (320) 1:45 Effective 2025-06-06 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 3302)
Daily 09:41 Kansas City (MCI) 11:21 Dallas Fort Worth (DFW)
AS 4259 Non-stop Airbus A320 (320) 1:40 Effective 2025-07-05 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 3302)
Thu 09:44 Kansas City (MCI) 11:29 Dallas Fort Worth (DFW)
AS 4259 Non-stop Boeing 737-800 (738) 1:45 Operates only on 2025-06-05
Codeshare flight, operated by American Airlines.(AA 3302)
Daily 17:30 Chicago O'Hare (ORD) 3 21:00 Jacksonville (JAX)
AS 4259 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:30 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3350)
Daily 18:17 Rochester (ROC) 19:17 Chicago O'Hare (ORD) 3
AS 4259 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:00 Effective 2025-05-05 through 2025-05-23
Codeshare flight, operated by American Airlines.(AA 3445)
Daily 18:17 Rochester (ROC) 19:17 Chicago O'Hare (ORD) 3
AS 4259 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:00 Effective 2025-05-25 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 3445)
Daily 18:30 Chicago O'Hare (ORD) 3 22:14 Jacksonville (JAX)
AS 4259 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:44 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3350)
Daily 18:30 Chicago O'Hare (ORD) 3 22:08 Jacksonville (JAX)
AS 4259 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:38 Effective 2025-11-02 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 3350)
Daily 18:30 Chicago O'Hare (ORD) 3 22:15 Jacksonville (JAX)
AS 4259 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:45 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3350)
Daily 18:30 Chicago O'Hare (ORD) 3 22:09 Jacksonville (JAX)
AS 4259 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:39 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3350)
Daily 18:35 Philadelphia (PHL) 21:24 West Palm Beach (PBI)
AS 4259 Non-stop Boeing 737-800 (738) 2:49 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 456)
Mon-Fri,Sun 19:00 Philadelphia (PHL) 21:50 West Palm Beach (PBI)
AS 4259 Non-stop Boeing 737-800 (738) 2:50 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 456)
Sat 19:10 Philadelphia (PHL) 21:58 West Palm Beach (PBI)
AS 4259 Non-stop Boeing 737-800 (738) 2:48 Valid until 2025-05-03
Codeshare flight, operated by American Airlines.(AA 456)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4259: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4259
05:00
Des Moines (DSM)

06:27
Chicago O'Hare (ORD) 3
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4390)
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4259
09:09
El Paso (ELP)

09:39
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4889)
Duration: 1:30, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4259
09:36
Kansas City (MCI)

11:21
Dallas Fort Worth (DFW)
Effective 2025-06-06 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3302)
Duration: 1:45, non-stop
Airbus A320 (320)
Alaska Airlines AS4259
09:41
Kansas City (MCI)

11:21
Dallas Fort Worth (DFW)
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3302)
Duration: 1:40, non-stop
Airbus A320 (320)
Alaska Airlines AS4259
09:44
Kansas City (MCI)

11:29
Dallas Fort Worth (DFW)
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3302)
Duration: 1:45, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4259
17:30
Chicago O'Hare (ORD) 3

21:00
Jacksonville (JAX)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3350)
Duration: 2:30, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4259
18:17
Rochester (ROC)

19:17
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3445)
Duration: 2:00, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4259
18:17
Rochester (ROC)

19:17
Chicago O'Hare (ORD) 3
Effective 2025-05-25 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3445)
Duration: 2:00, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4259
18:30
Chicago O'Hare (ORD) 3

22:14
Jacksonville (JAX)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3350)
Duration: 2:44, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4259
18:30
Chicago O'Hare (ORD) 3

22:08
Jacksonville (JAX)
Effective 2025-11-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3350)
Duration: 2:38, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4259
18:30
Chicago O'Hare (ORD) 3

22:15
Jacksonville (JAX)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3350)
Duration: 2:45, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4259
18:30
Chicago O'Hare (ORD) 3

22:09
Jacksonville (JAX)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3350)
Duration: 2:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4259
18:35
Philadelphia (PHL)

21:24
West Palm Beach (PBI)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 456)
Duration: 2:49, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4259
19:00
Philadelphia (PHL)

21:50
West Palm Beach (PBI)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 456)
Duration: 2:50, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4259
19:10
Philadelphia (PHL)

21:58
West Palm Beach (PBI)
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 456)
Duration: 2:48, non-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Jacksonville (JAX)
  • Des Moines (DSM) - Chicago O'Hare (ORD)
  • El Paso (ELP) - Phoenix Sky Harbor (PHX)
  • Kansas City (MCI) - Dallas Fort Worth (DFW)
  • Philadelphia (PHL) - West Palm Beach (PBI)
  • Rochester (ROC) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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