Air New Zealand
flight
NZ 2121:
Chicago O'Hare - Buffalo
Chicago O'Hare - Buffalo
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air New Zealand NZ2121
Effective 2026-01-06 through 2026-02-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1946)
Duration: 1:39, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ2121
Operates only on 2026-02-07
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 1946)
Duration: 1:39, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air New Zealand NZ2121
Effective 2026-02-08 through 2026-02-11
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1946)
Duration: 1:39, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ2121
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1335)
Duration: 1:41, non-stop Boeing 737-700 (73G)
Direct Codeshare Flights:
Air New Zealand NZ2121
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1335)
Duration: 1:41, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air New Zealand NZ2121
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1335)
Duration: 1:52, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Air New Zealand NZ2121
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1335)
Duration: 1:52, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ2121
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1335)
Duration: 1:41, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air New Zealand NZ2121
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1335)
Duration: 1:41, non-stop Airbus A319 (319)
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Parallax here ORD-BUF
- NZ 2121 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Buffalo airport (BUF).
- The flight distance is 472 miles, or 759 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 1:39 and 1:52.