WestJet flights from Phoenix Sky Harbor (PHX) to Seattle-Tacoma (SEA).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Tue,Thu,Sat 15:40 Phoenix Sky Harbor (PHX) 3 18:51 Seattle-Tacoma (SEA)
WestJet WS 7052 Non-stop Boeing 737-800 (738) 3:11 Effective 2026-07-09 through 2026-07-30
Codeshare flight, operated by Delta Air Lines.(DL 2449)
Daily 15:40 Phoenix Sky Harbor (PHX) 3 18:51 Seattle-Tacoma (SEA)
WestJet WS 7052 Non-stop Boeing 737-800 (738) 3:11 Effective 2026-07-31 through 2026-08-29
Codeshare flight, operated by Delta Air Lines.(DL 2449)
Fri,Sun 08:45 Phoenix Sky Harbor (PHX) 3 11:59 Seattle-Tacoma (SEA)
WestJet WS 7064 Non-stop Boeing 737-800 (738) 3:14 Effective 2026-08-21 through 2026-08-23
Codeshare flight, operated by Delta Air Lines.(DL 2374)
Wed,Fri 15:40 Phoenix Sky Harbor (PHX) 3 18:51 Seattle-Tacoma (SEA)
WestJet WS 7091 Non-stop Boeing 737-800 (738) 3:11 Effective 2026-07-03 through 2026-07-10
Codeshare flight, operated by Delta Air Lines.(DL 2449)
Wed,Fri,Sun 15:40 Phoenix Sky Harbor (PHX) 3 18:51 Seattle-Tacoma (SEA)
WestJet WS 7091 Non-stop Boeing 737-800 (738) 3:11 Effective 2026-07-12 through 2026-07-22
Codeshare flight, operated by Delta Air Lines.(DL 2449)
Wed 08:45 Phoenix Sky Harbor (PHX) 3 11:59 Seattle-Tacoma (SEA)
WestJet WS 7110 Non-stop Boeing 737-800 (738) 3:14 Operates only on 2026-08-05
Codeshare flight, operated by Delta Air Lines.(DL 2374)
Sun 08:45 Phoenix Sky Harbor (PHX) 3 11:59 Seattle-Tacoma (SEA)
WestJet WS 7154 Non-stop Boeing 737-800 (738) 3:14 Operates only on 2026-07-26
Codeshare flight, operated by Delta Air Lines.(DL 2374)
Wed,Fri,Sun 15:40 Phoenix Sky Harbor (PHX) 3 18:51 Seattle-Tacoma (SEA)
WestJet WS 7189 Non-stop Boeing 737-800 (738) 3:11 Effective 2026-07-24 through 2026-07-29
Codeshare flight, operated by Delta Air Lines.(DL 2449)
Fri 08:45 Phoenix Sky Harbor (PHX) 3 11:59 Seattle-Tacoma (SEA)
WestJet WS 7320 Non-stop Boeing 737-800 (738) 3:14 Effective 2026-07-03 through 2026-07-10
Codeshare flight, operated by Delta Air Lines.(DL 2374)
Fri,Sun 08:45 Phoenix Sky Harbor (PHX) 3 11:59 Seattle-Tacoma (SEA)
WestJet WS 7320 Non-stop Boeing 737-800 (738) 3:14 Effective 2026-07-12 through 2026-07-24
Codeshare flight, operated by Delta Air Lines.(DL 2374)
Fri,Sun 08:45 Phoenix Sky Harbor (PHX) 3 11:59 Seattle-Tacoma (SEA)
WestJet WS 7320 Non-stop Boeing 737-800 (738) 3:14 Effective 2026-07-31 through 2026-08-09
Codeshare flight, operated by Delta Air Lines.(DL 2374)
Tue,Thu 12:01 Phoenix Sky Harbor (PHX) 3 14:18 Seattle-Tacoma (SEA)
WestJet WS 8320 Non-stop Boeing 737-800 (738) 3:17 Effective 2026-02-12 through 2026-02-19
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Mon,Wed,Fri,Sun 12:01 Phoenix Sky Harbor (PHX) 3 14:15 Seattle-Tacoma (SEA)
WestJet WS 8320 Non-stop Boeing 737-800 (738) 3:14 Effective 2026-02-13 through 2026-02-18
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Mon-Fri,Sun 12:01 Phoenix Sky Harbor (PHX) 3 14:18 Seattle-Tacoma (SEA)
WestJet WS 8320 Non-stop Boeing 737-800 (738) 3:17 Effective 2026-02-20 through 2026-02-27
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Daily 12:01 Phoenix Sky Harbor (PHX) 3 14:18 Seattle-Tacoma (SEA)
WestJet WS 8320 Non-stop Boeing 737-800 (738) 3:17 Effective 2026-02-28 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Daily 12:05 Phoenix Sky Harbor (PHX) 3 14:21 Seattle-Tacoma (SEA)
WestJet WS 8320 Non-stop Boeing 737-800 (738) 3:16 Effective 2026-01-05 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Sat 12:07 Phoenix Sky Harbor (PHX) 3 14:27 Seattle-Tacoma (SEA)
WestJet WS 8320 Non-stop Airbus A220-300 (223) 3:20 Effective 2026-02-14 through 2026-02-21
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Sat 12:25 Phoenix Sky Harbor (PHX) 3 14:45 Seattle-Tacoma (SEA)
WestJet WS 8320 Non-stop Boeing 737-800 (738) 3:20 Valid until 2026-01-03
Codeshare flight, operated by Delta Air Lines.(DL 2419)
Mon,Fri-Sun 06:00 Phoenix Sky Harbor (PHX) 3 09:07 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:07 Effective 2026-03-08 through 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon,Fri-Sun 06:00 Phoenix Sky Harbor (PHX) 3 09:09 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:09 Effective 2026-03-15 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon,Fri-Sun 06:00 Phoenix Sky Harbor (PHX) 3 09:13 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:13 Effective 2026-04-13 through 2026-04-25
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon,Fri,Sat 06:05 Phoenix Sky Harbor (PHX) 3 08:22 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-900 (739) 3:17 Effective 2026-02-13 through 2026-02-28
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Sun 06:05 Phoenix Sky Harbor (PHX) 3 08:22 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:17 Effective 2026-02-15 through 2026-02-22
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon,Fri-Sun 06:05 Phoenix Sky Harbor (PHX) 3 08:22 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-900 (739) 3:17 Effective 2026-03-01 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon,Fri-Sun 06:19 Phoenix Sky Harbor (PHX) 3 08:40 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Airbus A220-100 (221) 3:21 Valid until 2026-01-03
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon,Sun 06:20 Phoenix Sky Harbor (PHX) 3 08:37 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:17 Effective 2026-01-05 through 2026-01-11
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon,Fri,Sat 06:20 Phoenix Sky Harbor (PHX) 3 08:40 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Airbus A220-100 (221) 3:20 Effective 2026-01-09 through 2026-01-17
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon,Sun 06:20 Phoenix Sky Harbor (PHX) 3 08:37 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:17 Effective 2026-01-18 through 2026-01-25
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon,Fri,Sat 06:20 Phoenix Sky Harbor (PHX) 3 08:40 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Airbus A220-100 (221) 3:20 Effective 2026-01-23 through 2026-02-07
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Sun 06:20 Phoenix Sky Harbor (PHX) 3 08:37 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:17 Effective 2026-02-01 through 2026-02-08
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Mon 06:20 Phoenix Sky Harbor (PHX) 3 08:37 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Boeing 737-800 (738) 3:17 Operates only on 2026-02-09
Codeshare flight, operated by Delta Air Lines.(DL 2444)
Sun 06:35 Phoenix Sky Harbor (PHX) 3 08:55 Seattle-Tacoma (SEA)
WestJet WS 8629 Non-stop Airbus A220-300 (223) 3:20 Operates only on 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 2444)
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WestJet flights from Phoenix Sky Harbor (PHX) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2026-07-09 through 2026-07-30
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2449)
Duration: 3:11, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-07-31 through 2026-08-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2449)
Duration: 3:11, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-08-21 through 2026-08-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2374)
Duration: 3:14, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-07-03 through 2026-07-10
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2449)
Duration: 3:11, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-07-12 through 2026-07-22
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2449)
Duration: 3:11, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Operates only on 2026-08-05
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2374)
Duration: 3:14, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Operates only on 2026-07-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2374)
Duration: 3:14, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-07-24 through 2026-07-29
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2449)
Duration: 3:11, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-07-03 through 2026-07-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2374)
Duration: 3:14, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-07-12 through 2026-07-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2374)
Duration: 3:14, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-07-31 through 2026-08-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2374)
Duration: 3:14, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-02-12 through 2026-02-19
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:17, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-02-13 through 2026-02-18
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)

Direct Codeshare Flights:

Effective 2026-02-20 through 2026-02-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:17, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-02-28 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:17, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-01-05 through 2026-02-11
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)

Direct Codeshare Flights:

Effective 2026-02-14 through 2026-02-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:20, non-stop
Airbus A220-300 (223)

Direct Codeshare Flights:

Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2419)
Duration: 3:20, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-03-08 through 2026-03-14
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:07, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-03-15 through 2026-04-12
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:09, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-04-13 through 2026-04-25
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:13, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-02-13 through 2026-02-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:17, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-02-15 through 2026-02-22
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)

Direct Codeshare Flights:

Effective 2026-03-01 through 2026-03-07
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:17, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Valid until 2026-01-03
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:21, non-stop
Airbus A220-100 (221)

Direct Codeshare Flights:

Effective 2026-01-05 through 2026-01-11
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)

Direct Codeshare Flights:

Effective 2026-01-09 through 2026-01-17
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:20, non-stop
Airbus A220-100 (221)

Direct Codeshare Flights:

Effective 2026-01-18 through 2026-01-25
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)

Direct Codeshare Flights:

Effective 2026-01-23 through 2026-02-07
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:20, non-stop
Airbus A220-100 (221)

Direct Codeshare Flights:

Effective 2026-02-01 through 2026-02-08
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)

Direct Codeshare Flights:

Operates only on 2026-02-09
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)

Direct Codeshare Flights:

Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2444)
Duration: 3:20, non-stop
Airbus A220-300 (223)
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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 3:07 and 3:21.