Qantas flight QF 3644: Los Angeles - Dulles, Washington

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:50 Los Angeles (LAX) 6 15:59 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 (73J) 5:09 Effective 2025-08-20 through 2025-10-03
Codeshare flight, operated by Alaska Airlines.(AS 310)
Mon-Thu,Sat,Sun 08:00 Los Angeles (LAX) 6 16:00 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Valid until 2025-05-01
Codeshare flight, operated by Alaska Airlines.(AS 310)
Daily 08:00 Los Angeles (LAX) 6 16:00 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-05-02 through 2025-05-14
Codeshare flight, operated by Alaska Airlines.(AS 310)
Tue-Fri 08:00 Los Angeles (LAX) 6 16:14 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2025-05-15 through 2025-05-21
Codeshare flight, operated by Alaska Airlines.(AS 856)
Mon,Thu-Sun 08:00 Los Angeles (LAX) 6 16:14 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 (73J) 5:14 Effective 2025-05-17 through 2025-05-23
Codeshare flight, operated by Alaska Airlines.(AS 856)
Wed,Sat 08:00 Los Angeles (LAX) 6 16:14 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2025-05-24 through 2025-05-28
Codeshare flight, operated by Alaska Airlines.(AS 856)
Mon,Tue,Thu-Sun 08:00 Los Angeles (LAX) 6 16:14 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 (73J) 5:14 Effective 2025-05-25 through 2025-06-08
Codeshare flight, operated by Alaska Airlines.(AS 856)
Mon,Wed 08:00 Los Angeles (LAX) 6 16:14 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2025-06-04 through 2025-06-09
Codeshare flight, operated by Alaska Airlines.(AS 856)
Tue,Wed 08:00 Los Angeles (LAX) 6 16:14 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 (73J) 5:14 Effective 2025-06-10 through 2025-06-11
Codeshare flight, operated by Alaska Airlines.(AS 856)
Mon-Thu,Sat,Sun 08:20 Los Angeles (LAX) 6 16:25 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-06-12 through 2025-07-03
Codeshare flight, operated by Alaska Airlines.(AS 214)
Fri 08:20 Los Angeles (LAX) 6 16:25 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 (73J) 5:05 Effective 2025-06-13 through 2025-06-20
Codeshare flight, operated by Alaska Airlines.(AS 214)
Fri 08:20 Los Angeles (LAX) 6 16:25 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 MAX 8 (7M8) 5:05 Operates only on 2025-06-27
Codeshare flight, operated by Alaska Airlines.(AS 214)
Daily 08:20 Los Angeles (LAX) 6 16:25 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-07-04 through 2025-07-31
Codeshare flight, operated by Alaska Airlines.(AS 214)
Fri 08:20 Los Angeles (LAX) 6 16:25 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 (73J) 5:05 Operates only on 2025-08-01
Codeshare flight, operated by Alaska Airlines.(AS 214)
Daily 08:20 Los Angeles (LAX) 6 16:25 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-08-02 through 2025-08-19
Codeshare flight, operated by Alaska Airlines.(AS 214)
Daily 09:00 Los Angeles (LAX) 6 16:50 Dulles, Washington (IAD)
QF 3644 Non-stop Boeing 737 (73J) 4:50 Effective from 2025-10-04
Codeshare flight, operated by Alaska Airlines.(AS 310)
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Qantas flight QF 3644:
Los Angeles - Dulles, Washington
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Codeshare Flights:
Qantas QF3644
07:50
Los Angeles (LAX) 6

15:59
Dulles, Washington (IAD)
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 310)
Duration: 5:09, non-stop
Boeing 737 (73J)
Qantas QF3644
08:00
Los Angeles (LAX) 6

16:00
Dulles, Washington (IAD)
Valid until 2025-05-01
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 310)
Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)
Qantas QF3644
08:00
Los Angeles (LAX) 6

16:00
Dulles, Washington (IAD)
Effective 2025-05-02 through 2025-05-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 310)
Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)
Qantas QF3644
08:00
Los Angeles (LAX) 6

16:14
Dulles, Washington (IAD)
Effective 2025-05-15 through 2025-05-21
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 856)
Duration: 5:14, non-stop
Boeing 737 MAX 9 (7M9)
Qantas QF3644
08:00
Los Angeles (LAX) 6

16:14
Dulles, Washington (IAD)
Effective 2025-05-17 through 2025-05-23
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 856)
Duration: 5:14, non-stop
Boeing 737 (73J)
Qantas QF3644
08:00
Los Angeles (LAX) 6

16:14
Dulles, Washington (IAD)
Effective 2025-05-24 through 2025-05-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 856)
Duration: 5:14, non-stop
Boeing 737 MAX 9 (7M9)
Qantas QF3644
08:00
Los Angeles (LAX) 6

16:14
Dulles, Washington (IAD)
Effective 2025-05-25 through 2025-06-08
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 856)
Duration: 5:14, non-stop
Boeing 737 (73J)
Qantas QF3644
08:00
Los Angeles (LAX) 6

16:14
Dulles, Washington (IAD)
Effective 2025-06-04 through 2025-06-09
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 856)
Duration: 5:14, non-stop
Boeing 737 MAX 9 (7M9)
Qantas QF3644
08:00
Los Angeles (LAX) 6

16:14
Dulles, Washington (IAD)
Effective 2025-06-10 through 2025-06-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 856)
Duration: 5:14, non-stop
Boeing 737 (73J)
Qantas QF3644
08:20
Los Angeles (LAX) 6

16:25
Dulles, Washington (IAD)
Effective 2025-06-12 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 214)
Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)
Qantas QF3644
08:20
Los Angeles (LAX) 6

16:25
Dulles, Washington (IAD)
Effective 2025-06-13 through 2025-06-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 214)
Duration: 5:05, non-stop
Boeing 737 (73J)
Qantas QF3644
08:20
Los Angeles (LAX) 6

16:25
Dulles, Washington (IAD)
Operates only on 2025-06-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 214)
Duration: 5:05, non-stop
Boeing 737 MAX 8 (7M8)
Qantas QF3644
08:20
Los Angeles (LAX) 6

16:25
Dulles, Washington (IAD)
Effective 2025-07-04 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 214)
Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)
Qantas QF3644
08:20
Los Angeles (LAX) 6

16:25
Dulles, Washington (IAD)
Operates only on 2025-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 214)
Duration: 5:05, non-stop
Boeing 737 (73J)
Qantas QF3644
08:20
Los Angeles (LAX) 6

16:25
Dulles, Washington (IAD)
Effective 2025-08-02 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 214)
Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)
Qantas QF3644
09:00
Los Angeles (LAX) 6

16:50
Dulles, Washington (IAD)
Effective from 2025-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 310)
Duration: 4:50, non-stop
Boeing 737 (73J)
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  • QF 3644 is a domestic flight departing from the Los Angeles airport (LAX) and arriving at Dulles, Washington airport (IAD).
  • The flight distance is 2282 miles, or 3672 km.
  • The timezone of the departure airport is UTC-8 (plus 1h DST), and the timezone of the arrival airport is UTC-5 (plus 1h DST). Current time at the point of departure is 2:57pm, and 5:57pm at the point of arrival. There is a 3 hour time difference between the airports.
  • For direct flights, the flight time varies between 4:50 and 5:14.
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