Air New Zealand
flight
NZ 6856:
Chicago O'Hare - Houston George Bush
Chicago O'Hare - Houston George Bush
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air New Zealand NZ6856
Effective 2026-06-22 through 2026-07-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1231)
Duration: 2:48, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6856
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2176)
Duration: 3:06, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6856
Effective 2026-02-12 through 2026-02-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2099)
Duration: 3:07, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6856
Effective 2026-02-25 through 2026-03-04
Mon
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Tue
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Wed
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 2099)
Duration: 3:07, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6856
Effective 2026-02-26 through 2026-03-03
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2099)
Duration: 3:07, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6856
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2099)
Duration: 3:07, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6856
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 2099)
Duration: 3:07, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6856
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2231)
Duration: 3:06, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6856
Effective 2026-01-07 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1633)
Duration: 3:11, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6856
Operates only on 2026-01-10
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 1633)
Duration: 3:13, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6856
Effective 2026-01-17 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1633)
Duration: 3:11, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6856
Operates only on 2026-01-06
Mon
-
-
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 1633)
Duration: 3:11, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6856
Effective 2026-05-21 through 2026-06-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2176)
Duration: 2:59, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6856
Effective from 2026-07-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2176)
Duration: 2:59, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6856
Valid until 2026-01-04
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
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-
Sun
Codeshare flight, operated by United Airlines.
(UA 2638)
Duration: 3:05, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6856
Valid until 2026-01-05
Mon
Tue
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Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 2638)
Duration: 3:05, non-stop Boeing 737 MAX 9 (7M9)
- NZ 6856 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Houston George Bush airport (IAH).
- The flight distance is 925 miles, or 1489 km.
- The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 2:48 and 3:13.