Air New Zealand
flight
NZ 6321:
Houston George Bush - Atlanta
Houston George Bush - Atlanta
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-04-30 through 2026-05-06
Mon
Tue
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Codeshare flight, operated by United Airlines.
(UA 1405)
Duration: 2:12, non-stop Boeing 737-700 (73G)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-05-10 through 2026-05-17
Mon
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Wed
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Fri
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Codeshare flight, operated by United Airlines.
(UA 1405)
Duration: 2:12, non-stop Boeing 737-700 (73G)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-05-18 through 2026-05-20
Mon
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 1405)
Duration: 2:12, non-stop Boeing 737-700 (73G)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-05-26 through 2026-06-01
Mon
Tue
Wed
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Thu
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Fri
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Operates only on 2026-06-10
Mon
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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 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Operates only on 2026-06-27
Mon
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Operates only on 2026-07-07
Mon
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Fri
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Operates only on 2026-07-23
Mon
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Tue
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Wed
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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 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-07-31 through 2026-08-07
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-08-20 through 2026-08-23
Mon
-
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Tue
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Wed
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Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-08-29 through 2026-09-03
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-09-10 through 2026-09-11
Mon
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Tue
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Wed
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Thu
Fri
Sat
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Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-09-18 through 2026-09-20
Mon
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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 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-09-26 through 2026-10-13
Mon
Tue
Wed
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Thu
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Fri
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-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-10-20 through 2026-10-22
Mon
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Tue
Wed
Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1405)
Duration: 2:12, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-05-21 through 2026-05-29
Mon
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Tue
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Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-05-31 through 2026-06-07
Mon
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Tue
Wed
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Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-06-08 through 2026-06-15
Mon
Tue
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Wed
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Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-06-16 through 2026-06-23
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-06-26 through 2026-07-03
Mon
Tue
Wed
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-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-07-04 through 2026-07-10
Mon
Tue
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-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-07-12 through 2026-07-22
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-07-24 through 2026-07-28
Mon
Tue
Wed
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Thu
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Fri
Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-08-02 through 2026-08-11
Mon
Tue
Wed
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-
Thu
Fri
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-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-08-12 through 2026-08-18
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-08-24 through 2026-08-28
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-09-04 through 2026-09-09
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-09-12 through 2026-09-17
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-09-21 through 2026-09-25
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-09-30 through 2026-10-16
Mon
-
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Tue
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Wed
Thu
Fri
Sat
-
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Sun
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-
Codeshare flight, operated by United Airlines.
(UA 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-10-17 through 2026-10-24
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 1879)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-03-05 through 2026-03-28
Mon
Tue
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-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 497)
Duration: 2:08, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-02-12 through 2026-03-04
Mon
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Tue
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Wed
Thu
Fri
Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1591)
Duration: 2:06, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-02-15 through 2026-03-02
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
Codeshare flight, operated by United Airlines.
(UA 1591)
Duration: 2:05, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-01-06 through 2026-02-02
Mon
Tue
Wed
Thu
Fri
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-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2218)
Duration: 2:09, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Operates only on 2026-02-03
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 2218)
Duration: 2:08, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-02-04 through 2026-02-10
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2218)
Duration: 2:09, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ6321
Operates only on 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 2218)
Duration: 2:08, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air New Zealand NZ6321
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1591)
Duration: 2:09, non-stop Airbus A319 (319)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here IAH-ATL
- NZ 6321 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Atlanta airport (ATL).
- The flight distance is 687 miles, or 1106 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 2:05 and 2:12.