All airlines flying from Phoenix Sky Harbor (PHX) to Seattle-Tacoma (SEA).

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 12:10 Phoenix Sky Harbor (PHX) 3 14:25 Seattle-Tacoma (SEA)
WestJet WS 8320 Non-stop Boeing 737-800 (738) 3:15 Effective 2025-11-02 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Daily 12:10 Phoenix Sky Harbor (PHX) 3 14:24 Seattle-Tacoma (SEA)
WestJet WS 8320 Non-stop Boeing 737-800 (738) 3:14 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Daily 12:25 Phoenix Sky Harbor (PHX) 3 14:40 Seattle-Tacoma (SEA)
WestJet WS 8320 Non-stop Boeing 737-800 (738) 3:15 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Mon,Wed-Fri,Sun 06:00 Phoenix Sky Harbor (PHX) 3 09:05 Seattle-Tacoma (SEA)
WestJet WS 8412 Non-stop Boeing 737-800 (738) 3:05 Effective 2025-06-20 through 2025-06-27
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Daily 06:00 Phoenix Sky Harbor (PHX) 3 09:05 Seattle-Tacoma (SEA)
WestJet WS 8412 Non-stop Boeing 737-800 (738) 3:05 Effective 2025-06-28 through 2025-07-24
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Daily 06:00 Phoenix Sky Harbor (PHX) 3 09:05 Seattle-Tacoma (SEA)
WestJet WS 8470 Non-stop Boeing 737-800 (738) 3:05 Effective 2025-07-25 through 2025-07-31
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Wed,Thu,Sat,Sun 06:00 Phoenix Sky Harbor (PHX) 3 09:05 Seattle-Tacoma (SEA)
WestJet WS 8470 Non-stop Boeing 737-800 (738) 3:05 Effective 2025-08-02 through 2025-08-09
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Tue 06:00 Phoenix Sky Harbor (PHX) 3 09:05 Seattle-Tacoma (SEA)
WestJet WS 8470 Non-stop Boeing 737-800 (738) 3:05 Operates only on 2025-08-12
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon,Tue,Fri 06:00 Phoenix Sky Harbor (PHX) 3 09:05 Seattle-Tacoma (SEA)
WestJet WS 8529 Non-stop Boeing 737-800 (738) 3:05 Effective 2025-08-01 through 2025-08-05
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon,Wed-Fri,Sun 06:00 Phoenix Sky Harbor (PHX) 3 09:05 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:05 Effective 2025-08-08 through 2025-08-15
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Daily 06:00 Phoenix Sky Harbor (PHX) 3 09:05 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:05 Effective 2025-08-16 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Daily 06:00 Phoenix Sky Harbor (PHX) 3 09:17 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:17 Effective 2025-09-08 through 2025-11-01
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Daily 06:15 Phoenix Sky Harbor (PHX) 3 08:32 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:17 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Daily 06:40 Phoenix Sky Harbor (PHX) 3 08:55 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:15 Effective 2025-11-02 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Daily 06:40 Phoenix Sky Harbor (PHX) 3 08:55 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:15 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Daily 07:15 Phoenix Sky Harbor (PHX) 4 10:30 Seattle-Tacoma (SEA)
Qatar Airways QR 8761 Non-stop Canadair CRJ 700 (CR7) 3:15 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 6450)
Sat 07:31 Phoenix Sky Harbor (PHX) 4 10:40 Seattle-Tacoma (SEA)
Qatar Airways QR 8761 Non-stop Airbus A319 (319) 3:09 Effective 2025-07-05 through 2025-08-02
Codeshare flight, operated by American Airlines.(AA 839)
Daily 10:40 Phoenix Sky Harbor (PHX) 4 14:03 Seattle-Tacoma (SEA)
Qatar Airways QR 8761 Non-stop Canadair CRJ 700 (CR7) 3:23 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 6337)
Daily 10:40 Phoenix Sky Harbor (PHX) 4 13:59 Seattle-Tacoma (SEA)
Qatar Airways QR 8761 Non-stop Canadair CRJ 700 (CR7) 3:19 Effective 2025-05-05 through 2025-05-24
Codeshare flight, operated by American Airlines.(AA 6337)
Daily 10:40 Phoenix Sky Harbor (PHX) 4 13:59 Seattle-Tacoma (SEA)
Qatar Airways QR 8761 Non-stop Canadair CRJ 700 (CR7) 3:19 Effective 2025-05-26 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 6337)
Sun 11:00 Phoenix Sky Harbor (PHX) 4 14:16 Seattle-Tacoma (SEA)
Qatar Airways QR 8761 Non-stop Canadair CRJ 700 (CR7) 3:16 Operates only on 2025-05-25
Codeshare flight, operated by American Airlines.(AA 6337)
Mon,Fri,Sun 11:00 Phoenix Sky Harbor (PHX) 3 14:16 Seattle-Tacoma (SEA)
WestJet WS 8772 Non-stop Boeing 737-800 (738) 3:16 Effective 2025-05-02 through 2025-05-05
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Mon,Fri,Sun 11:09 Phoenix Sky Harbor (PHX) 3 14:23 Seattle-Tacoma (SEA)
WestJet WS 8772 Non-stop Boeing 737-800 (738) 3:14 Effective 2025-05-09 through 2025-06-06
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Mon,Fri,Sun 11:10 Phoenix Sky Harbor (PHX) 3 14:24 Seattle-Tacoma (SEA)
WestJet WS 8772 Non-stop Boeing 737-800 (738) 3:14 Effective 2025-06-08 through 2025-06-23
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Mon,Thu,Fri,Sun 11:10 Phoenix Sky Harbor (PHX) 3 14:24 Seattle-Tacoma (SEA)
WestJet WS 8772 Non-stop Boeing 737-800 (738) 3:14 Effective 2025-06-26 through 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Mon,Thu,Fri,Sun 11:10 Phoenix Sky Harbor (PHX) 3 14:18 Seattle-Tacoma (SEA)
WestJet WS 8772 Non-stop Boeing 737-800 (738) 3:08 Effective 2025-07-07 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Sat 18:45 Phoenix Sky Harbor (PHX) 3 21:45 Seattle-Tacoma (SEA)
Qatar Airways QR 8830 Non-stop Boeing 737 (73J) 3:00 Operates only on 2025-11-01
Codeshare flight, operated by Alaska Airlines.(AS 611)
Daily 19:45 Phoenix Sky Harbor (PHX) 3 21:45 Seattle-Tacoma (SEA)
Qatar Airways QR 8830 Non-stop Boeing 737 (73J) 3:00 Effective 2025-11-21 through 2025-12-01
Codeshare flight, operated by Alaska Airlines.(AS 611)
Daily 19:45 Phoenix Sky Harbor (PHX) 3 21:45 Seattle-Tacoma (SEA)
Qatar Airways QR 8830 Non-stop Boeing 737 (73J) 3:00 Effective from 2025-12-18
Codeshare flight, operated by Alaska Airlines.(AS 611)
Mon-Fri,Sun 07:24 Phoenix Sky Harbor (PHX) 4 10:34 Seattle-Tacoma (SEA)
Qatar Airways QR 9023 Non-stop Embraer EMB 175 (E75) 3:10 Effective 2025-07-06 through 2025-08-01
Codeshare flight, operated by American Airlines.(AA 4081)
Daily 07:15 Phoenix Sky Harbor (PHX) 4 10:26 Seattle-Tacoma (SEA)
Qatar Airways QR 9170 Non-stop Airbus A319 (319) 3:11 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 839)
Sat 07:27 Phoenix Sky Harbor (PHX) 4 10:31 Seattle-Tacoma (SEA)
Qatar Airways QR 9170 Non-stop Airbus A319 (319) 3:04 Effective 2025-06-07 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 839)
Daily 08:15 Phoenix Sky Harbor (PHX) 4 10:48 Seattle-Tacoma (SEA)
Qatar Airways QR 9170 Non-stop Embraer EMB 175 (E75) 3:33 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 5004)
Daily 08:15 Phoenix Sky Harbor (PHX) 4 10:45 Seattle-Tacoma (SEA)
Qatar Airways QR 9170 Non-stop Embraer EMB 175 (E75) 3:30 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 5004)
Daily 08:15 Phoenix Sky Harbor (PHX) 4 10:47 Seattle-Tacoma (SEA)
Qatar Airways QR 9170 Non-stop Embraer EMB 175 (E75) 3:32 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 5004)
Daily 08:15 Phoenix Sky Harbor (PHX) 4 10:38 Seattle-Tacoma (SEA)
Qatar Airways QR 9170 Non-stop Embraer EMB 175 (E75) 3:23 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 5004)
Daily 08:15 Phoenix Sky Harbor (PHX) 4 10:36 Seattle-Tacoma (SEA)
Qatar Airways QR 9170 Non-stop Embraer EMB 175 (E75) 3:21 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 5004)
Daily 11:33 Phoenix Sky Harbor (PHX) 4 14:47 Seattle-Tacoma (SEA)
Qatar Airways QR 9505 Non-stop Embraer EMB 175 (E75) 3:14 Effective 2025-06-08 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 3934)
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All airlines flying from Phoenix Sky Harbor (PHX) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2025-11-02 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:15, non-stop
Boeing 737-800 (738)

Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:14, non-stop
Boeing 737-800 (738)

Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:15, non-stop
Boeing 737-800 (738)

Effective 2025-06-20 through 2025-06-27
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:05, non-stop
Boeing 737-800 (738)

Effective 2025-06-28 through 2025-07-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:05, non-stop
Boeing 737-800 (738)

Effective 2025-07-25 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:05, non-stop
Boeing 737-800 (738)

Effective 2025-08-02 through 2025-08-09
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:05, non-stop
Boeing 737-800 (738)

Operates only on 2025-08-12
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:05, non-stop
Boeing 737-800 (738)

Effective 2025-08-01 through 2025-08-05
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:05, non-stop
Boeing 737-800 (738)

Effective 2025-08-08 through 2025-08-15
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:05, non-stop
Boeing 737-800 (738)

Effective 2025-08-16 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:05, non-stop
Boeing 737-800 (738)

Effective 2025-09-08 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:17, non-stop
Boeing 737-800 (738)

Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:17, non-stop
Boeing 737-800 (738)

Effective 2025-11-02 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:15, non-stop
Boeing 737-800 (738)

Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:15, non-stop
Boeing 737-800 (738)

Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6450)
Duration: 3:15, non-stop
Canadair CRJ 700 (CR7)

Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 839)
Duration: 3:09, non-stop
Airbus A319 (319)

Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6337)
Duration: 3:23, non-stop
Canadair CRJ 700 (CR7)

Effective 2025-05-05 through 2025-05-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6337)
Duration: 3:19, non-stop
Canadair CRJ 700 (CR7)

Effective 2025-05-26 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6337)
Duration: 3:19, non-stop
Canadair CRJ 700 (CR7)

Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6337)
Duration: 3:16, non-stop
Canadair CRJ 700 (CR7)

Effective 2025-05-02 through 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:16, non-stop
Boeing 737-800 (738)

Effective 2025-05-09 through 2025-06-06
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:14, non-stop
Boeing 737-800 (738)

Effective 2025-06-08 through 2025-06-23
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:14, non-stop
Boeing 737-800 (738)

Effective 2025-06-26 through 2025-07-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:14, non-stop
Boeing 737-800 (738)

Effective 2025-07-07 through 2025-09-07
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:08, non-stop
Boeing 737-800 (738)

Operates only on 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 611)
Duration: 3:00, non-stop
Boeing 737 (73J)

Effective 2025-11-21 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 611)
Duration: 3:00, non-stop
Boeing 737 (73J)

Effective from 2025-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 611)
Duration: 3:00, non-stop
Boeing 737 (73J)

Effective 2025-07-06 through 2025-08-01
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4081)
Duration: 3:10, non-stop
Embraer EMB 175 (E75)

Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 839)
Duration: 3:11, non-stop
Airbus A319 (319)

Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 839)
Duration: 3:04, non-stop
Airbus A319 (319)

Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5004)
Duration: 3:33, non-stop
Embraer EMB 175 (E75)

Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5004)
Duration: 3:30, non-stop
Embraer EMB 175 (E75)

Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5004)
Duration: 3:32, non-stop
Embraer EMB 175 (E75)

Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5004)
Duration: 3:23, non-stop
Embraer EMB 175 (E75)

Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5004)
Duration: 3:21, non-stop
Embraer EMB 175 (E75)

Effective 2025-06-08 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3934)
Duration: 3:14, non-stop
Embraer EMB 175 (E75)
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  • A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1106 miles, or 1781 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . 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 2:59 and 3:38.