Air New Zealand
flight
NZ 6857:
Chicago O'Hare - Houston George Bush
Chicago O'Hare - Houston George Bush
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air New Zealand NZ6857
Effective 2026-01-06 through 2026-01-28
Mon
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Tue
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 2657)
Duration: 3:00, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6857
Effective 2026-01-08 through 2026-02-09
Mon
Tue
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Wed
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Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2657)
Duration: 3:00, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6857
Effective 2026-02-03 through 2026-02-10
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 2657)
Duration: 3:00, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6857
Effective 2026-02-04 through 2026-02-11
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 2657)
Duration: 3:00, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6857
Effective 2026-02-12 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2657)
Duration: 3:03, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6857
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1448)
Duration: 3:06, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6857
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1448)
Duration: 3:04, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6857
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1448)
Duration: 2:43, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6857
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2657)
Duration: 3:00, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6857
Operates only on 2026-01-05
Mon
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
-
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Codeshare flight, operated by United Airlines.
(UA 2657)
Duration: 3:00, non-stop Boeing 737-900 (739)
- NZ 6857 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 2:43 and 3:06.