Air New Zealand
flight
NZ 6603:
Newark Liberty, New York - Houston George Bush
Newark Liberty, New York - Houston George Bush
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air New Zealand NZ6603
Effective 2026-03-05 through 2026-03-13
Mon
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Tue
Wed
Thu
Fri
Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1004)
Duration: 4:11, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6603
Effective 2026-03-20 through 2026-03-27
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1004)
Duration: 4:11, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6603
Effective 2026-03-07 through 2026-03-28
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 1004)
Duration: 4:11, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air New Zealand NZ6603
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2622)
Duration: 4:02, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air New Zealand NZ6603
Valid until 2026-01-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 1845)
Duration: 4:16, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air New Zealand NZ6603
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1845)
Duration: 4:16, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air New Zealand NZ6603
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1039)
Duration: 4:06, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6603
Operates only on 2026-01-06
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1004)
Duration: 4:16, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6603
Effective 2026-01-07 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1004)
Duration: 4:16, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6603
Effective 2026-01-10 through 2026-02-07
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 1004)
Duration: 4:16, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6603
Operates only on 2026-02-04
Mon
-
-
Tue
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Wed
Thu
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Fri
-
-
Sat
-
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1004)
Duration: 4:16, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air New Zealand NZ6603
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1004)
Duration: 4:16, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6603
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1004)
Duration: 4:10, non-stop Boeing 757-200 (752)
- NZ 6603 is a domestic flight departing from the Newark Liberty, New York airport (EWR) and arriving at Houston George Bush airport (IAH).
- The flight distance is 1397 miles, or 2248 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 4:02 and 4:16.