Air New Zealand flight NZ 9421: Seattle-Tacoma - San Francisco

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 08:42 Seattle-Tacoma (SEA) 10:57 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A319 (319) 2:15 Effective 2025-09-25 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 1470)
Mon-Fri,Sun 08:45 Seattle-Tacoma (SEA) 11:05 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A320 (320) 2:20 Effective 2025-10-30 through 2025-11-07
Codeshare flight, operated by United Airlines.(UA 1957)
Daily 08:45 Seattle-Tacoma (SEA) 11:05 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A320 (320) 2:20 Effective 2025-11-10 through 2025-11-16
Codeshare flight, operated by United Airlines.(UA 1957)
Mon,Wed-Sun 08:45 Seattle-Tacoma (SEA) 11:05 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A320 (320) 2:20 Effective 2025-11-19 through 2025-11-24
Codeshare flight, operated by United Airlines.(UA 1957)
Thu-Sun 08:45 Seattle-Tacoma (SEA) 11:05 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A320 (320) 2:20 Effective 2025-11-27 through 2025-11-30
Codeshare flight, operated by United Airlines.(UA 1957)
Tue,Wed 09:00 Seattle-Tacoma (SEA) 11:13 San Francisco (SFO) 3
NZ 9421 Non-stop Boeing 737-900 (739) 2:13 Effective 2025-05-06 through 2025-05-13
Codeshare flight, operated by United Airlines.(UA 1105)
Wed 09:00 Seattle-Tacoma (SEA) 11:13 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A320 (320) 2:13 Operates only on 2025-05-14
Codeshare flight, operated by United Airlines.(UA 1105)
Tue,Wed 09:00 Seattle-Tacoma (SEA) 11:13 San Francisco (SFO) 3
NZ 9421 Non-stop Boeing 737-900 (739) 2:13 Effective 2025-05-20 through 2025-05-21
Codeshare flight, operated by United Airlines.(UA 1105)
Daily 09:05 Seattle-Tacoma (SEA) 11:28 San Francisco (SFO) 3
NZ 9421 Non-stop Embraer EMB 175 (E7W) 2:23 Effective 2025-08-19 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 5707)
Mon,Thu,Fri 09:10 Seattle-Tacoma (SEA) 11:29 San Francisco (SFO) 3
NZ 9421 Non-stop Embraer EMB 175 (E7W) 2:19 Valid until 2025-05-02
Codeshare flight, operated by United Airlines.(UA 5863)
Mon,Thu,Fri,Sun 09:10 Seattle-Tacoma (SEA) 11:29 San Francisco (SFO) 3
NZ 9421 Non-stop Embraer EMB 175 (E7W) 2:19 Effective 2025-05-04 through 2025-05-19
Codeshare flight, operated by United Airlines.(UA 5863)
Daily 09:20 Seattle-Tacoma (SEA) 11:40 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A320 (320) 2:20 Effective from 2026-01-06
Codeshare flight, operated by United Airlines.(UA 1596)
Daily 09:25 Seattle-Tacoma (SEA) 11:45 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A320 (320) 2:20 Effective 2025-12-02 through 2025-12-17
Codeshare flight, operated by United Airlines.(UA 1596)
Mon-Wed,Sat,Sun 09:40 Seattle-Tacoma (SEA) 11:49 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A320 (320) 2:09 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by United Airlines.(UA 1596)
Sat,Sun 09:40 Seattle-Tacoma (SEA) 11:49 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A320 (320) 2:09 Effective 2025-11-08 through 2025-11-09
Codeshare flight, operated by United Airlines.(UA 1596)
Mon,Tue 09:40 Seattle-Tacoma (SEA) 11:49 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A320 (320) 2:09 Effective 2025-11-17 through 2025-11-18
Codeshare flight, operated by United Airlines.(UA 1596)
Mon-Wed 09:40 Seattle-Tacoma (SEA) 11:49 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A320 (320) 2:09 Effective 2025-11-25 through 2025-12-01
Codeshare flight, operated by United Airlines.(UA 1596)
Daily 09:45 Seattle-Tacoma (SEA) 12:01 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A319 (319) 2:16 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 1470)
Mon,Thu-Sun 09:50 Seattle-Tacoma (SEA) 12:09 San Francisco (SFO) 3
NZ 9421 Non-stop Airbus A319 (319) 2:19 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 1470)
Wed 09:50 Seattle-Tacoma (SEA) 12:09 San Francisco (SFO) 3
NZ 9421 Non-stop Boeing 737 MAX 8 (7M8) 2:19 Effective 2025-07-02 through 2025-08-13
Codeshare flight, operated by United Airlines.(UA 1470)
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Air New Zealand flight NZ 9421:
Seattle-Tacoma - San Francisco
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air New Zealand NZ9421
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1470)
Duration: 2:15, non-stop
Airbus A319 (319)

Air New Zealand NZ9421
Effective 2025-10-30 through 2025-11-07
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1957)
Duration: 2:20, non-stop
Airbus A320 (320)

Air New Zealand NZ9421
Effective 2025-11-10 through 2025-11-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1957)
Duration: 2:20, non-stop
Airbus A320 (320)

Air New Zealand NZ9421
Effective 2025-11-19 through 2025-11-24
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1957)
Duration: 2:20, non-stop
Airbus A320 (320)

Air New Zealand NZ9421
Effective 2025-11-27 through 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1957)
Duration: 2:20, non-stop
Airbus A320 (320)

Air New Zealand NZ9421
Effective 2025-05-06 through 2025-05-13
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1105)
Duration: 2:13, non-stop
Boeing 737-900 (739)

Air New Zealand NZ9421
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1105)
Duration: 2:13, non-stop
Airbus A320 (320)

Air New Zealand NZ9421
Effective 2025-05-20 through 2025-05-21
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1105)
Duration: 2:13, non-stop
Boeing 737-900 (739)

Air New Zealand NZ9421
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5707)
Duration: 2:23, non-stop
Embraer EMB 175 (E7W)

Air New Zealand NZ9421
Valid until 2025-05-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5863)
Duration: 2:19, non-stop
Embraer EMB 175 (E7W)

Air New Zealand NZ9421
Effective 2025-05-04 through 2025-05-19
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5863)
Duration: 2:19, non-stop
Embraer EMB 175 (E7W)

Air New Zealand NZ9421
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1596)
Duration: 2:20, non-stop
Airbus A320 (320)

Air New Zealand NZ9421
Effective 2025-12-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1596)
Duration: 2:20, non-stop
Airbus A320 (320)

Air New Zealand NZ9421
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1596)
Duration: 2:09, non-stop
Airbus A320 (320)

Air New Zealand NZ9421
Effective 2025-11-08 through 2025-11-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1596)
Duration: 2:09, non-stop
Airbus A320 (320)

Air New Zealand NZ9421
Effective 2025-11-17 through 2025-11-18
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1596)
Duration: 2:09, non-stop
Airbus A320 (320)

Air New Zealand NZ9421
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1596)
Duration: 2:09, non-stop
Airbus A320 (320)

Air New Zealand NZ9421
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1470)
Duration: 2:16, non-stop
Airbus A319 (319)

Air New Zealand NZ9421
Effective 2025-06-26 through 2025-08-18
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1470)
Duration: 2:19, non-stop
Airbus A319 (319)

Air New Zealand NZ9421
Effective 2025-07-02 through 2025-08-13
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1470)
Duration: 2:19, non-stop
Boeing 737 MAX 8 (7M8)
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  • NZ 9421 is a domestic flight 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 2:09 and 2:23.