Air Canada
flight
AC 4253:
Tucson - Denver
Tucson - Denver
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4253
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2671)
Duration: 1:59, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4253
Effective 2026-04-30 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2671)
Duration: 1:59, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4253
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2671)
Duration: 1:57, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4253
Effective 2026-03-14 through 2026-03-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2671)
Duration: 1:57, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4253
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2671)
Duration: 1:58, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4253
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 281)
Duration: 1:59, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4253
Effective 2026-03-05 through 2026-03-06
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2671)
Duration: 1:57, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4253
Operates only on 2026-03-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2671)
Duration: 1:57, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4253
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 696)
Duration: 1:53, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4253
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2671)
Duration: 1:56, non-stop Boeing 737-800 (738)
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Parallax here TUS-DEN
- AC 4253 is a domestic flight departing from the Tucson airport (TUS) and arriving at Denver airport (DEN).
- The flight distance is 639 miles, or 1028 km.
- The timezone of both the departure and the arrival airports is UTC-7 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 1:53 and 1:59.