Air New Zealand
flight
NZ 6858:
Chicago O'Hare - George Bush, Houston
Chicago O'Hare - George Bush, Houston
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air New Zealand NZ6858
Effective 2025-10-28 through 2025-11-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-11-07 through 2025-11-11
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-11-15 through 2025-11-19
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-11-23 through 2025-11-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-12-01 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-12-12 through 2025-12-19
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-12-20 through 2025-12-27
Mon
-
-
Tue
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-
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-12-28 through 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2026-01-06 through 2026-01-13
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2026-01-14 through 2026-01-21
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2026-01-22 through 2026-01-29
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2026-01-30 through 2026-02-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2026-02-07 through 2026-02-14
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2026-02-15 through 2026-02-22
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective from 2026-02-23
Mon
Tue
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-
Wed
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-
Thu
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-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:40, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Valid until 2025-05-03
Mon
Tue
-
-
Wed
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-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1373)
Duration: 3:03, non-stop Boeing 757-300 (753)
Air New Zealand NZ6858
Effective 2025-05-04 through 2025-05-11
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 1373)
Duration: 3:06, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2025-05-05 through 2025-05-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1373)
Duration: 3:03, non-stop Boeing 757-300 (753)
Air New Zealand NZ6858
Effective 2025-05-18 through 2025-05-20
Mon
Tue
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 1373)
Duration: 3:03, non-stop Boeing 757-300 (753)
Air New Zealand NZ6858
Operates only on 2025-05-21
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 1373)
Duration: 3:06, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2025-08-19 through 2025-08-29
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:56, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-08-30 through 2025-09-06
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:56, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-09-07 through 2025-09-18
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:56, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-09-19 through 2025-09-26
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:56, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-09-29 through 2025-10-09
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:56, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-10-10 through 2025-10-17
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:56, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-10-18 through 2025-10-25
Mon
-
-
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2621)
Duration: 2:56, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Effective 2025-05-22 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:59, non-stop Airbus A321neo (32Q)
Air New Zealand NZ6858
Operates only on 2025-08-23
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
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:55, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2025-08-31 through 2025-09-04
Mon
-
-
Tue
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-
Wed
Thu
Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:55, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Operates only on 2025-09-12
Mon
-
-
Tue
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Wed
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Thu
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Fri
Sat
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-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:55, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Operates only on 2025-09-20
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
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:55, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2025-09-27 through 2025-10-04
Mon
-
-
Tue
-
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Wed
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Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:55, non-stop Boeing 737 MAX 9 (7M9)
Air New Zealand NZ6858
Effective 2025-10-11 through 2025-10-13
Mon
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 1314)
Duration: 2:55, non-stop Boeing 737 MAX 9 (7M9)
Air New Zealand NZ6858
Effective 2025-10-20 through 2025-10-21
Mon
Tue
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 1314)
Duration: 2:55, non-stop Boeing 737 MAX 9 (7M9)
Air New Zealand NZ6858
Effective 2025-10-26 through 2025-10-27
Mon
Tue
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-
Wed
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Thu
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Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2025-11-04 through 2025-11-06
Mon
-
-
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2025-11-12 through 2025-11-14
Mon
-
-
Tue
-
-
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2025-11-20 through 2025-11-22
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2025-11-30 through 2025-12-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2025-12-13 through 2025-12-15
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2025-12-21 through 2025-12-23
Mon
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2025-12-30 through 2025-12-31
Mon
-
-
Tue
Wed
Thu
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-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2026-01-07 through 2026-01-08
Mon
-
-
Tue
-
-
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2026-01-15 through 2026-01-17
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2026-01-23 through 2026-01-25
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Operates only on 2026-01-31
Mon
-
-
Tue
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Wed
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Thu
-
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Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2026-02-08 through 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2026-02-16 through 2026-02-18
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Air New Zealand NZ6858
Effective 2026-02-24 through 2026-02-26
Mon
-
-
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1314)
Duration: 2:43, non-stop Boeing 737-900 (739)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here ORD-IAH
- NZ 6858 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at George Bush, Houston 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 2:40 and 3:06.