Air New Zealand flight NZ 6855: Chicago O'Hare - Houston George Bush

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed,Thu 18:25 Chicago O'Hare (ORD) 1 21:10 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 2:45 Effective 2026-08-27 through 2026-09-02
Codeshare flight, operated by United Airlines.(UA 1475)
Mon,Thu 18:25 Chicago O'Hare (ORD) 1 21:10 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 2:45 Effective 2026-09-07 through 2026-09-10
Codeshare flight, operated by United Airlines.(UA 1475)
Fri,Sat 18:25 Chicago O'Hare (ORD) 1 21:10 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 2:45 Effective 2026-09-19 through 2026-09-26
Codeshare flight, operated by United Airlines.(UA 1475)
Thu,Fri 18:25 Chicago O'Hare (ORD) 1 21:10 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 2:45 Effective 2026-10-01 through 2026-10-02
Codeshare flight, operated by United Airlines.(UA 1475)
Sat 18:25 Chicago O'Hare (ORD) 1 21:10 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 2:45 Operates only on 2026-10-10
Codeshare flight, operated by United Airlines.(UA 1475)
Mon,Tue,Sat 19:05 Chicago O'Hare (ORD) 1 22:12 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 3:07 Effective 2026-08-25 through 2026-08-31
Codeshare flight, operated by United Airlines.(UA 1325)
Wed,Thu,Sat 19:05 Chicago O'Hare (ORD) 1 22:12 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 3:07 Effective 2026-09-03 through 2026-09-09
Codeshare flight, operated by United Airlines.(UA 1325)
Tue,Thu,Fri,Sun 19:05 Chicago O'Hare (ORD) 1 22:12 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 3:07 Effective 2026-09-11 through 2026-09-17
Codeshare flight, operated by United Airlines.(UA 1325)
Mon-Thu,Sun 19:05 Chicago O'Hare (ORD) 1 22:12 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 3:07 Effective 2026-09-21 through 2026-09-30
Codeshare flight, operated by United Airlines.(UA 1325)
Daily 19:05 Chicago O'Hare (ORD) 1 22:12 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 3:07 Effective 2026-10-03 through 2026-10-09
Codeshare flight, operated by United Airlines.(UA 1325)
Daily 19:05 Chicago O'Hare (ORD) 1 22:12 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 3:07 Effective 2026-10-11 through 2026-10-18
Codeshare flight, operated by United Airlines.(UA 1325)
Tue 19:50 Chicago O'Hare (ORD) 1 22:57 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 3:07 Operates only on 2026-01-06
Codeshare flight, operated by United Airlines.(UA 2426)
Mon-Fri,Sun 19:50 Chicago O'Hare (ORD) 1 22:58 Houston George Bush (IAH) C
NZ 6855 Non-stop Airbus A321neo (32Q) 3:08 Effective 2026-01-07 through 2026-01-16
Codeshare flight, operated by United Airlines.(UA 2426)
Mon-Fri,Sun 19:50 Chicago O'Hare (ORD) 1 22:58 Houston George Bush (IAH) C
NZ 6855 Non-stop Airbus A321neo (32Q) 3:08 Effective 2026-01-19 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 2426)
Daily 19:55 Chicago O'Hare (ORD) 1 23:01 Houston George Bush (IAH) C
NZ 6855 Non-stop Airbus A321neo (32Q) 3:06 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 2426)
Daily 20:00 Chicago O'Hare (ORD) 1 22:44 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 2:44 Effective 2026-05-21 through 2026-08-23
Codeshare flight, operated by United Airlines.(UA 2426)
Daily 20:00 Chicago O'Hare (ORD) 1 22:44 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 2:44 Effective from 2026-10-19
Codeshare flight, operated by United Airlines.(UA 2426)
Daily 20:05 Chicago O'Hare (ORD) 1 23:12 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 3:07 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 2426)
Wed-Sun 20:10 Chicago O'Hare (ORD) 1 23:13 Houston George Bush (IAH) C
NZ 6855 Non-stop Airbus A321neo (32Q) 3:03 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by United Airlines.(UA 2426)
Mon 20:10 Chicago O'Hare (ORD) 1 23:12 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737 MAX 9 (7M9) 3:02 Operates only on 2026-02-16
Codeshare flight, operated by United Airlines.(UA 2426)
Mon,Tue 20:10 Chicago O'Hare (ORD) 1 23:12 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 3:02 Effective 2026-02-17 through 2026-02-24
Codeshare flight, operated by United Airlines.(UA 2426)
Mon 20:10 Chicago O'Hare (ORD) 1 23:12 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737 MAX 9 (7M9) 3:02 Operates only on 2026-03-02
Codeshare flight, operated by United Airlines.(UA 2426)
Tue 20:10 Chicago O'Hare (ORD) 1 23:12 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 3:02 Operates only on 2026-03-03
Codeshare flight, operated by United Airlines.(UA 2426)
Daily 20:10 Chicago O'Hare (ORD) 1 23:13 Houston George Bush (IAH) C
NZ 6855 Non-stop Airbus A321neo (32Q) 3:03 Effective 2026-03-08 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 2426)
Daily 20:10 Chicago O'Hare (ORD) 1 23:16 Houston George Bush (IAH) C
NZ 6855 Non-stop Airbus A321neo (32Q) 3:06 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 2426)
Mon,Wed,Fri,Sun 21:05 Chicago O'Hare (ORD) 1 23:49 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 2:44 Effective 2026-08-24 through 2026-08-30
Codeshare flight, operated by United Airlines.(UA 2665)
Tue,Fri,Sun 21:05 Chicago O'Hare (ORD) 1 23:49 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 2:44 Effective 2026-09-01 through 2026-09-08
Codeshare flight, operated by United Airlines.(UA 2665)
Mon,Wed,Fri,Sat 21:05 Chicago O'Hare (ORD) 1 23:49 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 2:44 Effective 2026-09-12 through 2026-09-18
Codeshare flight, operated by United Airlines.(UA 2665)
Sun 21:05 Chicago O'Hare (ORD) 1 23:49 Houston George Bush (IAH) C
NZ 6855 Non-stop Boeing 737-900 (739) 2:44 Operates only on 2026-09-20
Codeshare flight, operated by United Airlines.(UA 2665)


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Air New Zealand flight NZ 6855:
Chicago O'Hare - Houston George Bush
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air New Zealand NZ6855
18:25
Chicago O'Hare (ORD) 1

21:10
Houston George Bush (IAH) C
Effective 2026-08-27 through 2026-09-02
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1475)
Duration: 2:45, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
18:25
Chicago O'Hare (ORD) 1

21:10
Houston George Bush (IAH) C
Effective 2026-09-07 through 2026-09-10
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1475)
Duration: 2:45, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
18:25
Chicago O'Hare (ORD) 1

21:10
Houston George Bush (IAH) C
Effective 2026-09-19 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1475)
Duration: 2:45, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
18:25
Chicago O'Hare (ORD) 1

21:10
Houston George Bush (IAH) C
Effective 2026-10-01 through 2026-10-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1475)
Duration: 2:45, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
18:25
Chicago O'Hare (ORD) 1

21:10
Houston George Bush (IAH) C
Operates only on 2026-10-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1475)
Duration: 2:45, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
19:05
Chicago O'Hare (ORD) 1

22:12
Houston George Bush (IAH) C
Effective 2026-08-25 through 2026-08-31
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1325)
Duration: 3:07, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
19:05
Chicago O'Hare (ORD) 1

22:12
Houston George Bush (IAH) C
Effective 2026-09-03 through 2026-09-09
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1325)
Duration: 3:07, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
19:05
Chicago O'Hare (ORD) 1

22:12
Houston George Bush (IAH) C
Effective 2026-09-11 through 2026-09-17
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1325)
Duration: 3:07, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
19:05
Chicago O'Hare (ORD) 1

22:12
Houston George Bush (IAH) C
Effective 2026-09-21 through 2026-09-30
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1325)
Duration: 3:07, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
19:05
Chicago O'Hare (ORD) 1

22:12
Houston George Bush (IAH) C
Effective 2026-10-03 through 2026-10-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1325)
Duration: 3:07, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
19:05
Chicago O'Hare (ORD) 1

22:12
Houston George Bush (IAH) C
Effective 2026-10-11 through 2026-10-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1325)
Duration: 3:07, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
19:50
Chicago O'Hare (ORD) 1

22:57
Houston George Bush (IAH) C
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:07, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
19:50
Chicago O'Hare (ORD) 1

22:58
Houston George Bush (IAH) C
Effective 2026-01-07 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:08, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6855
19:50
Chicago O'Hare (ORD) 1

22:58
Houston George Bush (IAH) C
Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:08, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6855
19:55
Chicago O'Hare (ORD) 1

23:01
Houston George Bush (IAH) C
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:06, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6855
20:00
Chicago O'Hare (ORD) 1

22:44
Houston George Bush (IAH) C
Effective 2026-05-21 through 2026-08-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 2:44, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
20:00
Chicago O'Hare (ORD) 1

22:44
Houston George Bush (IAH) C
Effective from 2026-10-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 2:44, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
20:05
Chicago O'Hare (ORD) 1

23:12
Houston George Bush (IAH) C
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:07, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
20:10
Chicago O'Hare (ORD) 1

23:13
Houston George Bush (IAH) C
Effective 2026-02-12 through 2026-03-07
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:03, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6855
20:10
Chicago O'Hare (ORD) 1

23:12
Houston George Bush (IAH) C
Operates only on 2026-02-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:02, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6855
20:10
Chicago O'Hare (ORD) 1

23:12
Houston George Bush (IAH) C
Effective 2026-02-17 through 2026-02-24
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:02, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
20:10
Chicago O'Hare (ORD) 1

23:12
Houston George Bush (IAH) C
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:02, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6855
20:10
Chicago O'Hare (ORD) 1

23:12
Houston George Bush (IAH) C
Operates only on 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:02, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
20:10
Chicago O'Hare (ORD) 1

23:13
Houston George Bush (IAH) C
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:03, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6855
20:10
Chicago O'Hare (ORD) 1

23:16
Houston George Bush (IAH) C
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2426)
Duration: 3:06, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air New Zealand NZ6855
21:05
Chicago O'Hare (ORD) 1

23:49
Houston George Bush (IAH) C
Effective 2026-08-24 through 2026-08-30
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2665)
Duration: 2:44, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
21:05
Chicago O'Hare (ORD) 1

23:49
Houston George Bush (IAH) C
Effective 2026-09-01 through 2026-09-08
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2665)
Duration: 2:44, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
21:05
Chicago O'Hare (ORD) 1

23:49
Houston George Bush (IAH) C
Effective 2026-09-12 through 2026-09-18
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2665)
Duration: 2:44, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6855
21:05
Chicago O'Hare (ORD) 1

23:49
Houston George Bush (IAH) C
Operates only on 2026-09-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2665)
Duration: 2:44, non-stop
Boeing 737-900 (739)
  • NZ 6855 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 2:44 and 3:08.
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