Air New Zealand flight NZ 6421: Cleveland Hopkins - George Bush, Houston

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Fri 06:05 Cleveland Hopkins (CLE) 08:17 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:12 Effective 2025-05-16 through 2025-05-19
Codeshare flight, operated by United Airlines.(UA 521)
Mon,Tue,Fri,Sun 06:20 Cleveland Hopkins (CLE) 08:20 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:00 Effective 2025-06-27 through 2025-07-01
Codeshare flight, operated by United Airlines.(UA 1645)
Wed 06:20 Cleveland Hopkins (CLE) 08:20 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-800 (738) 3:00 Effective 2025-07-02 through 2025-07-23
Codeshare flight, operated by United Airlines.(UA 1645)
Mon,Tue,Thu,Sun 06:20 Cleveland Hopkins (CLE) 08:20 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:00 Effective 2025-07-06 through 2025-07-10
Codeshare flight, operated by United Airlines.(UA 1645)
Mon,Tue,Thu,Fri 06:20 Cleveland Hopkins (CLE) 08:20 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:00 Effective 2025-07-14 through 2025-07-18
Codeshare flight, operated by United Airlines.(UA 1645)
Mon,Tue,Thu,Fri,Sun 06:20 Cleveland Hopkins (CLE) 08:20 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:00 Effective 2025-07-22 through 2025-08-01
Codeshare flight, operated by United Airlines.(UA 1645)
Thu,Fri,Sun 06:20 Cleveland Hopkins (CLE) 08:20 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:00 Effective 2025-08-07 through 2025-08-17
Codeshare flight, operated by United Airlines.(UA 1645)
Wed 06:20 Cleveland Hopkins (CLE) 08:20 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-800 (738) 3:00 Operates only on 2025-08-13
Codeshare flight, operated by United Airlines.(UA 1645)
Mon 06:20 Cleveland Hopkins (CLE) 08:20 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:00 Operates only on 2025-08-18
Codeshare flight, operated by United Airlines.(UA 1645)
Thu 06:23 Cleveland Hopkins (CLE) 08:35 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:12 Effective 2025-05-08 through 2025-05-15
Codeshare flight, operated by United Airlines.(UA 521)
Fri,Sat 06:30 Cleveland Hopkins (CLE) 08:30 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:00 Effective 2025-05-23 through 2025-05-24
Codeshare flight, operated by United Airlines.(UA 657)
Mon 06:30 Cleveland Hopkins (CLE) 08:30 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Operates only on 2025-05-26
Codeshare flight, operated by United Airlines.(UA 657)
Tue 06:30 Cleveland Hopkins (CLE) 08:30 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-800 (738) 3:00 Operates only on 2025-05-27
Codeshare flight, operated by United Airlines.(UA 657)
Mon,Sat 06:30 Cleveland Hopkins (CLE) 08:30 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:00 Effective 2025-05-31 through 2025-06-02
Codeshare flight, operated by United Airlines.(UA 657)
Mon,Sun 06:30 Cleveland Hopkins (CLE) 08:30 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:00 Effective 2025-06-08 through 2025-06-09
Codeshare flight, operated by United Airlines.(UA 657)
Tue 06:30 Cleveland Hopkins (CLE) 08:30 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-800 (738) 3:00 Effective 2025-06-10 through 2025-06-24
Codeshare flight, operated by United Airlines.(UA 657)
Mon,Thu 06:30 Cleveland Hopkins (CLE) 08:30 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:00 Effective 2025-06-16 through 2025-06-23
Codeshare flight, operated by United Airlines.(UA 657)
Wed 06:30 Cleveland Hopkins (CLE) 08:30 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:00 Operates only on 2025-06-25
Codeshare flight, operated by United Airlines.(UA 657)
Fri-Sun 14:35 Cleveland Hopkins (CLE) 16:47 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 8 (7M8) 3:12 Effective 2025-05-02 through 2025-05-11
Codeshare flight, operated by United Airlines.(UA 1645)
Mon,Sat 14:35 Cleveland Hopkins (CLE) 16:47 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 8 (7M8) 3:12 Effective 2025-05-12 through 2025-05-17
Codeshare flight, operated by United Airlines.(UA 1645)
Tue 14:35 Cleveland Hopkins (CLE) 16:47 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 8 (7M8) 3:12 Operates only on 2025-05-20
Codeshare flight, operated by United Airlines.(UA 1645)
Mon,Tue,Fri,Sat 14:50 Cleveland Hopkins (CLE) 16:55 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-08-19 through 2025-08-26
Codeshare flight, operated by United Airlines.(UA 1131)
Wed,Sun 14:50 Cleveland Hopkins (CLE) 16:55 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-08-27 through 2025-09-03
Codeshare flight, operated by United Airlines.(UA 1131)
Thu,Sat,Sun 14:50 Cleveland Hopkins (CLE) 16:55 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-09-06 through 2025-09-11
Codeshare flight, operated by United Airlines.(UA 1131)
Mon,Tue,Sun 14:50 Cleveland Hopkins (CLE) 16:55 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-09-14 through 2025-09-16
Codeshare flight, operated by United Airlines.(UA 1131)
Mon-Wed 14:50 Cleveland Hopkins (CLE) 16:55 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-09-22 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 1131)
Wed,Thu,Sun 15:09 Cleveland Hopkins (CLE) 17:17 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 9 (7M9) 3:08 Effective 2025-05-25 through 2025-06-01
Codeshare flight, operated by United Airlines.(UA 1645)
Tue-Thu 15:09 Cleveland Hopkins (CLE) 17:17 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 9 (7M9) 3:08 Effective 2025-06-03 through 2025-06-05
Codeshare flight, operated by United Airlines.(UA 1645)
Wed-Fri 15:09 Cleveland Hopkins (CLE) 17:17 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 9 (7M9) 3:08 Effective 2025-06-12 through 2025-06-18
Codeshare flight, operated by United Airlines.(UA 1645)
Fri,Sat 15:09 Cleveland Hopkins (CLE) 17:17 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737 MAX 9 (7M9) 3:08 Effective 2025-06-20 through 2025-06-21
Codeshare flight, operated by United Airlines.(UA 1645)
Daily 16:50 Cleveland Hopkins (CLE) 18:55 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-700 (73G) 3:05 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 1131)
Sat 17:15 Cleveland Hopkins (CLE) 19:19 George Bush, Houston (IAH) C
NZ 6421 Non-stop Boeing 737-800 (738) 3:04 Effective 2025-06-28 through 2025-08-16
Codeshare flight, operated by United Airlines.(UA 2158)
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Air New Zealand flight NZ 6421:
Cleveland Hopkins - George Bush, Houston
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air New Zealand NZ6421
Effective 2025-05-16 through 2025-05-19
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 521)
Duration: 3:12, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Effective 2025-06-27 through 2025-07-01
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:00, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Effective 2025-07-02 through 2025-07-23
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:00, non-stop
Boeing 737-800 (738)

Air New Zealand NZ6421
Effective 2025-07-06 through 2025-07-10
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:00, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Effective 2025-07-14 through 2025-07-18
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:00, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Effective 2025-07-22 through 2025-08-01
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:00, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Effective 2025-08-07 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:00, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Operates only on 2025-08-13
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:00, non-stop
Boeing 737-800 (738)

Air New Zealand NZ6421
Operates only on 2025-08-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:00, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Effective 2025-05-08 through 2025-05-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 521)
Duration: 3:12, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Effective 2025-05-23 through 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 657)
Duration: 3:00, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Operates only on 2025-05-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 657)
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ6421
Operates only on 2025-05-27
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 657)
Duration: 3:00, non-stop
Boeing 737-800 (738)

Air New Zealand NZ6421
Effective 2025-05-31 through 2025-06-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 657)
Duration: 3:00, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Effective 2025-06-08 through 2025-06-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 657)
Duration: 3:00, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Effective 2025-06-10 through 2025-06-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 657)
Duration: 3:00, non-stop
Boeing 737-800 (738)

Air New Zealand NZ6421
Effective 2025-06-16 through 2025-06-23
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 657)
Duration: 3:00, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Operates only on 2025-06-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 657)
Duration: 3:00, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Effective 2025-05-02 through 2025-05-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:12, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ6421
Effective 2025-05-12 through 2025-05-17
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:12, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ6421
Operates only on 2025-05-20
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:12, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ6421
Effective 2025-08-19 through 2025-08-26
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1131)
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ6421
Effective 2025-08-27 through 2025-09-03
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1131)
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ6421
Effective 2025-09-06 through 2025-09-11
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1131)
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ6421
Effective 2025-09-14 through 2025-09-16
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1131)
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ6421
Effective 2025-09-22 through 2025-09-24
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1131)
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ6421
Effective 2025-05-25 through 2025-06-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:08, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6421
Effective 2025-06-03 through 2025-06-05
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:08, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6421
Effective 2025-06-12 through 2025-06-18
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:08, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6421
Effective 2025-06-20 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1645)
Duration: 3:08, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6421
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1131)
Duration: 3:05, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ6421
Effective 2025-06-28 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2158)
Duration: 3:04, non-stop
Boeing 737-800 (738)
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  • NZ 6421 is a domestic flight departing from the Cleveland Hopkins airport (CLE) and arriving at George Bush, Houston airport (IAH).
  • The flight distance is 1090 miles, or 1754 km.
  • The timezone of the departure airport is UTC-5 (plus 1h DST), and the timezone of the arrival airport is UTC-6 (plus 1h DST). Current time at the point of departure is 10:21am, and 9:21am at the point of arrival. There is a -1 hour time difference between the airports.
  • For direct flights, the flight time varies between 3:00 and 3:12.