Air New Zealand flight NZ 6581: Houston George Bush - Newark Liberty, New York

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Thu,Fri 11:49 Houston George Bush (IAH) C 16:22 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 737-900 (739) 3:33 Effective 2026-03-05 through 2026-03-06
Codeshare flight, operated by United Airlines.(UA 2175)
Daily 11:55 Houston George Bush (IAH) C 16:29 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 737-900 (739) 3:34 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 2175)
Mon-Sat 11:55 Houston George Bush (IAH) C 16:29 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 737-900 (739) 3:34 Effective 2026-03-07 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 2175)
Sun 11:55 Houston George Bush (IAH) C 16:29 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 737 MAX 8 (7M8) 3:34 Operates only on 2026-03-08
Codeshare flight, operated by United Airlines.(UA 2175)
Sun 11:55 Houston George Bush (IAH) C 16:29 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 737 MAX 9 (7M9) 3:34 Effective 2026-03-15 through 2026-03-22
Codeshare flight, operated by United Airlines.(UA 2175)
Sun 11:58 Houston George Bush (IAH) C 16:29 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 757-200 (752) 3:31 Effective 2026-01-11 through 2026-02-08
Codeshare flight, operated by United Airlines.(UA 1318)
Daily 12:00 Houston George Bush (IAH) C 16:38 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 737-900 (739) 3:38 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 2018)
Daily 12:07 Houston George Bush (IAH) C 16:51 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 757-200 (752) 3:44 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 2018)
Mon,Thu,Sat 12:09 Houston George Bush (IAH) C 16:40 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 757-200 (752) 3:31 Effective 2026-01-08 through 2026-02-09
Codeshare flight, operated by United Airlines.(UA 1318)
Daily 12:16 Houston George Bush (IAH) C 17:00 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 757-200 (752) 3:44 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 2018)
Thu 12:22 Houston George Bush (IAH) C 16:55 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 757-200 (752) 3:33 Valid until 2026-01-01
Codeshare flight, operated by United Airlines.(UA 1318)
Wed 12:25 Houston George Bush (IAH) C 16:56 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 757-200 (752) 3:31 Operates only on 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1318)
Mon-Wed,Fri-Sun 12:27 Houston George Bush (IAH) C 17:00 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 757-200 (752) 3:33 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 1318)
Tue,Wed,Fri 12:29 Houston George Bush (IAH) C 17:00 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 757-200 (752) 3:31 Effective 2026-01-06 through 2026-02-03
Codeshare flight, operated by United Airlines.(UA 1318)
Wed 12:29 Houston George Bush (IAH) C 17:00 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 737 MAX 8 (7M8) 3:31 Operates only on 2026-02-04
Codeshare flight, operated by United Airlines.(UA 1318)
Tue,Fri 12:29 Houston George Bush (IAH) C 17:00 Newark Liberty, New York (EWR) C
NZ 6581 Non-stop Boeing 757-200 (752) 3:31 Effective 2026-02-06 through 2026-02-10
Codeshare flight, operated by United Airlines.(UA 1318)


Feedback - Disclaimer - Privacy
FlightMapper.net Flight Search Countries Airlines
LANGUAGES
Air New Zealand flight NZ 6581:
Houston George Bush - Newark Liberty, New York
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air New Zealand NZ6581
11:49
Houston George Bush (IAH) C

16:22
Newark Liberty, New York (EWR) C
Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2175)
Duration: 3:33, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6581
11:55
Houston George Bush (IAH) C

16:29
Newark Liberty, New York (EWR) C
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2175)
Duration: 3:34, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6581
11:55
Houston George Bush (IAH) C

16:29
Newark Liberty, New York (EWR) C
Effective 2026-03-07 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2175)
Duration: 3:34, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6581
11:55
Houston George Bush (IAH) C

16:29
Newark Liberty, New York (EWR) C
Operates only on 2026-03-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2175)
Duration: 3:34, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air New Zealand NZ6581
11:55
Houston George Bush (IAH) C

16:29
Newark Liberty, New York (EWR) C
Effective 2026-03-15 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2175)
Duration: 3:34, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air New Zealand NZ6581
11:58
Houston George Bush (IAH) C

16:29
Newark Liberty, New York (EWR) C
Effective 2026-01-11 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1318)
Duration: 3:31, non-stop
Boeing 757-200 (752)
Direct Codeshare Flights:
Air New Zealand NZ6581
12:00
Houston George Bush (IAH) C

16:38
Newark Liberty, New York (EWR) C
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2018)
Duration: 3:38, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6581
12:07
Houston George Bush (IAH) C

16:51
Newark Liberty, New York (EWR) C
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2018)
Duration: 3:44, non-stop
Boeing 757-200 (752)
Direct Codeshare Flights:
Air New Zealand NZ6581
12:09
Houston George Bush (IAH) C

16:40
Newark Liberty, New York (EWR) C
Effective 2026-01-08 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1318)
Duration: 3:31, non-stop
Boeing 757-200 (752)
Direct Codeshare Flights:
Air New Zealand NZ6581
12:16
Houston George Bush (IAH) C

17:00
Newark Liberty, New York (EWR) C
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2018)
Duration: 3:44, non-stop
Boeing 757-200 (752)
Direct Codeshare Flights:
Air New Zealand NZ6581
12:22
Houston George Bush (IAH) C

16:55
Newark Liberty, New York (EWR) C
Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1318)
Duration: 3:33, non-stop
Boeing 757-200 (752)
Direct Codeshare Flights:
Air New Zealand NZ6581
12:25
Houston George Bush (IAH) C

16:56
Newark Liberty, New York (EWR) C
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1318)
Duration: 3:31, non-stop
Boeing 757-200 (752)
Direct Codeshare Flights:
Air New Zealand NZ6581
12:27
Houston George Bush (IAH) C

17:00
Newark Liberty, New York (EWR) C
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1318)
Duration: 3:33, non-stop
Boeing 757-200 (752)
Direct Codeshare Flights:
Air New Zealand NZ6581
12:29
Houston George Bush (IAH) C

17:00
Newark Liberty, New York (EWR) C
Effective 2026-01-06 through 2026-02-03
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1318)
Duration: 3:31, non-stop
Boeing 757-200 (752)
Direct Codeshare Flights:
Air New Zealand NZ6581
12:29
Houston George Bush (IAH) C

17:00
Newark Liberty, New York (EWR) C
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1318)
Duration: 3:31, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air New Zealand NZ6581
12:29
Houston George Bush (IAH) C

17:00
Newark Liberty, New York (EWR) C
Effective 2026-02-06 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1318)
Duration: 3:31, non-stop
Boeing 757-200 (752)
  • NZ 6581 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Newark Liberty, New York airport (EWR).
  • The flight distance is 1397 miles, or 2248 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 3:31 and 3:44.
All Air New Zealand flights
All IAH-EWR flights
Return (EWR-IAH) flights
Feedback     -     Disclaimer     -     Privacy