WestJet flights from Seattle-Tacoma (SEA) to San Francisco (SFO).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon 17:05 Seattle-Tacoma (SEA) 19:20 San Francisco (SFO) 1
WestJet WS 8631 Non-stop Embraer EMB 175 (E7W) 2:15 Operates only on 2026-02-09
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Mon-Fri,Sun 17:10 Seattle-Tacoma (SEA) 19:25 San Francisco (SFO) 1
WestJet WS 8631 Non-stop Embraer EMB 175 (E7W) 2:15 Effective 2026-04-13 through 2026-04-27
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Mon,Fri,Sun 17:10 Seattle-Tacoma (SEA) 19:25 San Francisco (SFO) 1
WestJet WS 8631 Non-stop Embraer EMB 175 (E7W) 2:15 Effective 2026-05-01 through 2026-05-04
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Mon,Fri,Sun 17:40 Seattle-Tacoma (SEA) 19:55 San Francisco (SFO) 1
WestJet WS 8631 Non-stop Embraer EMB 175 (E7W) 2:15 Effective 2026-05-08 through 2026-05-22
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Mon,Fri,Sun 17:40 Seattle-Tacoma (SEA) 19:55 San Francisco (SFO) 1
WestJet WS 8631 Non-stop Embraer EMB 175 (E7W) 2:15 Effective 2026-05-25 through 2026-09-04
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Mon,Fri,Sun 17:40 Seattle-Tacoma (SEA) 19:55 San Francisco (SFO) 1
WestJet WS 8631 Non-stop Embraer EMB 175 (E7W) 2:15 Effective 2026-09-07 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Mon,Fri,Sun 17:40 Seattle-Tacoma (SEA) 20:02 San Francisco (SFO) 1
WestJet WS 8631 Non-stop Embraer EMB 175 (E7W) 2:22 Effective 2026-10-09 through 2026-10-26
Codeshare flight, operated by Delta Air Lines.(DL 3991)
Mon-Fri,Sun 17:40 Seattle-Tacoma (SEA) 20:02 San Francisco (SFO) 1
WestJet WS 8631 Non-stop Embraer EMB 175 (E7W) 2:22 Effective from 2026-10-27
Codeshare flight, operated by Delta Air Lines.(DL 3991)
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WestJet flights from Seattle-Tacoma (SEA) to San Francisco (SFO).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Operates only on 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:15, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Effective 2026-04-13 through 2026-04-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:15, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Effective 2026-05-01 through 2026-05-04
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:15, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Effective 2026-05-08 through 2026-05-22
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:15, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Effective 2026-05-25 through 2026-09-04
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:15, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Effective 2026-09-07 through 2026-10-05
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:15, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Effective 2026-10-09 through 2026-10-26
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:22, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Effective from 2026-10-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3991)
Duration: 2:22, non-stop
Embraer EMB 175 (E7W)
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  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at San Francisco airport (SFO).
  • The flight distance is 679 miles, or 1092 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 2:12 and 2:23.