Qatar Airways
flight
QR 3421:
Seattle-Tacoma - Tucson
Seattle-Tacoma - Tucson
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Codeshare Flights:
Qatar Airways QR3421
Operates only on 2026-05-13
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Codeshare flight, operated by Alaska Airlines.
(AS 3284)
Duration: 1:39, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective from 2026-06-10
Mon
Tue
Wed
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Fri
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 509)
Duration: 2:04, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-03-18 through 2026-05-12
Mon
Tue
Wed
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Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:01, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-02-12 through 2026-03-05
Mon
Tue
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Sat
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Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:03, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-02-17 through 2026-03-03
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Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:03, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Qatar Airways QR3421
Operates only on 2026-03-06
Mon
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Fri
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Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:03, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-03-08 through 2026-03-13
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:03, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-03-10 through 2026-03-17
Mon
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Tue
Wed
Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:03, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Qatar Airways QR3421
Operates only on 2026-03-16
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Tue
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Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:03, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-01-07 through 2026-01-14
Mon
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Tue
Wed
Thu
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Fri
Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:01, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-01-08 through 2026-01-12
Mon
Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:01, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-01-15 through 2026-01-21
Mon
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Tue
Wed
Thu
Fri
Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:01, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-01-18 through 2026-01-25
Mon
Tue
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Wed
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Fri
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Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:01, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-01-23 through 2026-01-30
Mon
Tue
Wed
Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:01, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-01-29 through 2026-02-02
Mon
Tue
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Wed
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Thu
Fri
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Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:01, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Qatar Airways QR3421
Effective 2026-02-03 through 2026-02-10
Mon
Tue
Wed
Thu
Fri
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Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:01, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Qatar Airways QR3421
Operates only on 2026-02-06
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:01, non-stop Boeing 737 (73J)
Direct Codeshare Flights:
Qatar Airways QR3421
Operates only on 2026-02-11
Mon
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Tue
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Thu
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Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:01, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Qatar Airways QR3421
Valid until 2026-01-03
Mon
Tue
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Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:00, non-stop Boeing 737 (73J)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Qatar Airways QR3421
Valid until 2026-01-05
Mon
Tue
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Wed
Thu
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Fri
Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 638)
Duration: 3:00, non-stop Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Qatar Airways QR3421
Operates only on 2026-01-06
Mon
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Tue
Wed
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Fri
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Codeshare flight, operated by Alaska Airlines.
(AS 658)
Duration: 3:00, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here SEA-TUS
- QR 3421 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Tucson airport (TUS).
- The flight distance is 1216 miles, or 1956 km.
- The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 1:39 and 3:03.