Air New Zealand
flight
NZ 6668:
Knoxville - Houston George Bush
Knoxville - Houston George Bush
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air New Zealand NZ6668
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4251)
Duration: 2:45, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air New Zealand NZ6668
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 6277)
Duration: 2:36, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air New Zealand NZ6668
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4841)
Duration: 2:55, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air New Zealand NZ6668
Effective 2026-01-07 through 2026-02-02
Mon
Tue
-
-
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 4841)
Duration: 2:56, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air New Zealand NZ6668
Effective 2026-02-05 through 2026-02-11
Mon
Tue
-
-
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 4841)
Duration: 2:56, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air New Zealand NZ6668
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4841)
Duration: 2:45, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air New Zealand NZ6668
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4841)
Duration: 2:24, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air New Zealand NZ6668
Effective 2026-05-21 through 2026-09-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4841)
Duration: 2:24, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air New Zealand NZ6668
Operates only on 2026-02-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 4841)
Duration: 2:55, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air New Zealand NZ6668
Effective 2026-01-10 through 2026-02-10
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 4854)
Duration: 2:48, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air New Zealand NZ6668
Effective from 2026-09-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4854)
Duration: 2:28, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
- NZ 6668 is a domestic flight departing from the Knoxville airport (TYS) and arriving at Houston George Bush airport (IAH).
- The flight distance is 770 miles, or 1239 km.
- The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . 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 2:24 and 2:56.