Air Canada
flight
AC 4252:
Denver - Tucson
Denver - Tucson
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4252
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5651)
Duration: 2:17, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4252
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5651)
Duration: 2:17, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4252
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5651)
Duration: 2:17, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4252
Operates only on 2026-02-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5651)
Duration: 2:17, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4252
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5651)
Duration: 2:18, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4252
Effective 2026-03-08 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5651)
Duration: 2:18, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4252
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5651)
Duration: 2:15, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4252
Effective from 2026-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5651)
Duration: 2:15, non-stop Embraer EMB 175 (E7W)
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Parallax here DEN-TUS
- AC 4252 is a domestic flight departing from the Denver airport (DEN) and arriving at Tucson airport (TUS).
- 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 2:15 and 2:18.