Air New Zealand flight NZ 6643: Dulles, Washington - George Bush, Houston

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 22:06 Dulles, Washington (IAD) 00:26 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2025-10-26 through 2025-12-01
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Daily 22:06 Dulles, Washington (IAD) 00:26 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Sat 22:10 Dulles, Washington (IAD) 00:23 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737-800 (738) 3:13 Effective 2025-05-24 through 2025-06-21
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Daily 22:18 Dulles, Washington (IAD) 00:30 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737-800 (738) 3:12 Effective 2025-08-19 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Thu 22:20 Dulles, Washington (IAD) 00:47 George Bush, Houston (IAH) C
NZ 6643 Non-stop Airbus A320 (320) 3:27 Operates only on 2025-05-01
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Mon-Fri,Sun 22:20 Dulles, Washington (IAD) 00:47 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737 MAX 8 (7M8) 3:27 Effective 2025-05-02 through 2025-05-09
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Sat 22:20 Dulles, Washington (IAD) 00:47 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737-700 (73G) 3:27 Operates only on 2025-05-03
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Daily 22:20 Dulles, Washington (IAD) 00:47 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737 MAX 8 (7M8) 3:27 Effective 2025-05-10 through 2025-05-20
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Wed 22:20 Dulles, Washington (IAD) 00:47 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737-800 (738) 3:27 Operates only on 2025-05-21
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Mon,Wed-Fri,Sun 22:32 Dulles, Washington (IAD) 00:45 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737-800 (738) 3:13 Effective 2025-05-22 through 2025-06-23
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Tue 22:32 Dulles, Washington (IAD) 00:45 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737-900 (739) 3:13 Effective 2025-05-27 through 2025-06-24
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Wed 22:32 Dulles, Washington (IAD) 00:45 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737 MAX 9 (7M9) 3:13 Operates only on 2025-06-25
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Mon,Wed,Thu,Sun 22:32 Dulles, Washington (IAD) 00:45 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737-800 (738) 3:13 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 2275)
The flight arrives 1 day after departure.
Fri,Sat 22:32 Dulles, Washington (IAD) 00:45 George Bush, Houston (IAH) C
NZ 6643 Non-stop Boeing 737-700 (73G) 3:13 Effective 2025-06-27 through 2025-08-16
Codeshare flight, operated by United Airlines.(UA 2703)
The flight arrives 1 day after departure.
Tue 22:32 Dulles, Washington (IAD) 00:45 George Bush, Houston (IAH) C
NZ 6643 Non-stop Airbus A319 (319) 3:13 Effective 2025-07-01 through 2025-08-12
Codeshare flight, operated by United Airlines.(UA 2703)
The flight arrives 1 day after departure.
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Air New Zealand flight NZ 6643:
Dulles, Washington - George Bush, Houston
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air New Zealand NZ6643
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Effective 2025-05-24 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:13, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:12, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:27, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Effective 2025-05-02 through 2025-05-09
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:27, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Operates only on 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:27, non-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Effective 2025-05-10 through 2025-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:27, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Operates only on 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:27, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Effective 2025-05-22 through 2025-06-23
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:13, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Effective 2025-05-27 through 2025-06-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:13, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Operates only on 2025-06-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:13, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Effective 2025-06-26 through 2025-08-18
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2275)
Duration: 3:13, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Effective 2025-06-27 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2703)
Duration: 3:13, non-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.

Air New Zealand NZ6643
Effective 2025-07-01 through 2025-08-12
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2703)
Duration: 3:13, non-stop
Airbus A319 (319)
The flight arrives 1 day after departure.
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  • NZ 6643 is a domestic flight departing from the Dulles, Washington airport (IAD) and arriving at George Bush, Houston airport (IAH).
  • The flight distance is 1188 miles, or 1912 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . 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 3:12 and 3:27.