Air New Zealand flight NZ 6859: Chicago O'Hare - George Bush, Houston

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 05:00 Chicago O'Hare (ORD) 1 07:45 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737-900 (739) 2:45 Effective 2025-12-22 through 2026-01-05
Codeshare flight, operated by United Airlines.(UA 1096)
Daily 05:15 Chicago O'Hare (ORD) 1 08:15 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 757-300 (753) 3:00 Valid until 2025-05-11
Codeshare flight, operated by United Airlines.(UA 678)
Mon 05:15 Chicago O'Hare (ORD) 1 08:18 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737-900 (739) 3:03 Effective 2025-05-12 through 2025-05-19
Codeshare flight, operated by United Airlines.(UA 631)
Tue-Sun 05:15 Chicago O'Hare (ORD) 1 08:15 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 757-300 (753) 3:00 Effective 2025-05-13 through 2025-05-21
Codeshare flight, operated by United Airlines.(UA 678)
Tue-Fri 06:00 Chicago O'Hare (ORD) 1 08:50 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2025-05-22 through 2025-05-30
Codeshare flight, operated by United Airlines.(UA 468)
Mon,Sat,Sun 06:00 Chicago O'Hare (ORD) 1 08:50 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737-900 (739) 2:50 Effective 2025-05-24 through 2025-06-01
Codeshare flight, operated by United Airlines.(UA 468)
Mon-Fri 06:00 Chicago O'Hare (ORD) 1 08:50 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2025-06-02 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 468)
Sat,Sun 06:00 Chicago O'Hare (ORD) 1 08:50 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737-900 (739) 2:50 Effective 2025-06-07 through 2025-06-22
Codeshare flight, operated by United Airlines.(UA 468)
Mon,Thu-Sun 06:00 Chicago O'Hare (ORD) 1 08:50 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737-900 (739) 2:50 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 468)
Tue,Wed 06:00 Chicago O'Hare (ORD) 1 08:48 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737 MAX 9 (7M9) 2:48 Effective 2025-07-01 through 2025-08-13
Codeshare flight, operated by United Airlines.(UA 468)
Sat,Sun 06:00 Chicago O'Hare (ORD) 1 08:50 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2025-08-23 through 2025-08-31
Codeshare flight, operated by United Airlines.(UA 1569)
Wed-Sat 06:00 Chicago O'Hare (ORD) 1 08:50 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2025-09-03 through 2025-09-06
Codeshare flight, operated by United Airlines.(UA 1569)
Thu-Sat 06:00 Chicago O'Hare (ORD) 1 08:50 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2025-09-11 through 2025-09-13
Codeshare flight, operated by United Airlines.(UA 1569)
Thu-Sun 06:00 Chicago O'Hare (ORD) 1 08:50 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2025-09-20 through 2025-09-28
Codeshare flight, operated by United Airlines.(UA 1569)
Daily 06:00 Chicago O'Hare (ORD) 1 08:50 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2025-09-29 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 1569)
Daily 06:00 Chicago O'Hare (ORD) 1 08:45 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737-900 (739) 2:45 Effective 2025-10-26 through 2025-12-21
Codeshare flight, operated by United Airlines.(UA 1569)
Tue 06:00 Chicago O'Hare (ORD) 1 08:45 George Bush, Houston (IAH) C
NZ 6859 Non-stop Boeing 737-900 (739) 2:45 Operates only on 2026-01-06
Codeshare flight, operated by United Airlines.(UA 1569)
Mon-Fri 07:00 Chicago O'Hare (ORD) 1 09:51 George Bush, Houston (IAH) C
NZ 6859 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-08-19 through 2025-09-02
Codeshare flight, operated by United Airlines.(UA 799)
Mon-Wed,Sun 07:00 Chicago O'Hare (ORD) 1 09:51 George Bush, Houston (IAH) C
NZ 6859 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-09-07 through 2025-09-17
Codeshare flight, operated by United Airlines.(UA 799)
Mon-Fri 07:00 Chicago O'Hare (ORD) 1 09:51 George Bush, Houston (IAH) C
NZ 6859 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-09-18 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 799)
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Air New Zealand flight NZ 6859:
Chicago O'Hare - George Bush, Houston
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air New Zealand NZ6859
Effective 2025-12-22 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1096)
Duration: 2:45, non-stop
Boeing 737-900 (739)

Air New Zealand NZ6859
Valid until 2025-05-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 678)
Duration: 3:00, non-stop
Boeing 757-300 (753)

Air New Zealand NZ6859
Effective 2025-05-12 through 2025-05-19
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 631)
Duration: 3:03, non-stop
Boeing 737-900 (739)

Air New Zealand NZ6859
Effective 2025-05-13 through 2025-05-21
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 678)
Duration: 3:00, non-stop
Boeing 757-300 (753)

Air New Zealand NZ6859
Effective 2025-05-22 through 2025-05-30
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 468)
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6859
Effective 2025-05-24 through 2025-06-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 468)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Air New Zealand NZ6859
Effective 2025-06-02 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 468)
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6859
Effective 2025-06-07 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 468)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Air New Zealand NZ6859
Effective 2025-06-26 through 2025-08-18
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 468)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Air New Zealand NZ6859
Effective 2025-07-01 through 2025-08-13
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 468)
Duration: 2:48, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6859
Effective 2025-08-23 through 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1569)
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6859
Effective 2025-09-03 through 2025-09-06
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1569)
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6859
Effective 2025-09-11 through 2025-09-13
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1569)
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6859
Effective 2025-09-20 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1569)
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6859
Effective 2025-09-29 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1569)
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Air New Zealand NZ6859
Effective 2025-10-26 through 2025-12-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1569)
Duration: 2:45, non-stop
Boeing 737-900 (739)

Air New Zealand NZ6859
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1569)
Duration: 2:45, non-stop
Boeing 737-900 (739)

Air New Zealand NZ6859
Effective 2025-08-19 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 799)
Duration: 2:51, non-stop
Airbus A321neo (32Q)

Air New Zealand NZ6859
Effective 2025-09-07 through 2025-09-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 799)
Duration: 2:51, non-stop
Airbus A321neo (32Q)

Air New Zealand NZ6859
Effective 2025-09-18 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 799)
Duration: 2:51, non-stop
Airbus A321neo (32Q)
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  • NZ 6859 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 2:45 and 3:03.