United Airlines flight UA 8456: Denver - Toronto Pearson

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:45 Denver (DEN) 12:58 Toronto Pearson (YYZ) 1
UA 8456 Non-stop Airbus A220-300 (223) 3:13 Effective 2026-09-08 through 2026-10-24
Codeshare flight, operated by Air Canada.(AC 1038)
Daily 13:25 Denver (DEN) 18:35 Toronto Pearson (YYZ) 1
UA 8456 Non-stop Airbus A220-300 (223) 3:10 Effective 2026-03-29 through 2026-04-30
Codeshare flight, operated by Air Canada.(AC 1038)
Daily 17:30 Denver (DEN) 22:41 Toronto Pearson (YYZ) 1
UA 8456 Non-stop Airbus A220-300 (223) 3:11 Valid until 2026-01-06
Codeshare flight, operated by Air Canada.(AC 1040)
Mon,Fri,Sun 17:30 Denver (DEN) 22:41 Toronto Pearson (YYZ) 1
UA 8456 Non-stop Airbus A220-300 (223) 3:11 Effective 2026-01-09 through 2026-01-19
Codeshare flight, operated by Air Canada.(AC 1040)
Mon,Wed,Fri,Sun 17:30 Denver (DEN) 22:41 Toronto Pearson (YYZ) 1
UA 8456 Non-stop Airbus A220-300 (223) 3:11 Effective 2026-01-21 through 2026-01-26
Codeshare flight, operated by Air Canada.(AC 1040)
Mon-Fri,Sun 17:30 Denver (DEN) 22:41 Toronto Pearson (YYZ) 1
UA 8456 Non-stop Airbus A220-300 (223) 3:11 Effective 2026-01-29 through 2026-02-06
Codeshare flight, operated by Air Canada.(AC 1040)
Daily 17:30 Denver (DEN) 22:41 Toronto Pearson (YYZ) 1
UA 8456 Non-stop Airbus A220-300 (223) 3:11 Effective 2026-02-07 through 2026-03-28
Codeshare flight, operated by Air Canada.(AC 1040)
Daily 17:30 Denver (DEN) 22:41 Toronto Pearson (YYZ) 1
UA 8456 Non-stop Airbus A220-300 (223) 3:11 Effective from 2026-10-25
Codeshare flight, operated by Air Canada.(AC 1040)
Daily 18:10 Denver (DEN) 23:23 Toronto Pearson (YYZ) 1
UA 8456 Non-stop Airbus A220-300 (223) 3:13 Effective 2026-05-01 through 2026-06-17
Codeshare flight, operated by Air Canada.(AC 1038)
Daily 18:10 Denver (DEN) 23:22 Toronto Pearson (YYZ) 1
UA 8456 Non-stop Airbus A220-300 (223) 3:12 Effective 2026-06-18 through 2026-09-07
Codeshare flight, operated by Air Canada.(AC 1038)


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United Airlines flight UA 8456:
Denver - Toronto Pearson
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
United Airlines UA8456
07:45
Denver (DEN)

12:58
Toronto Pearson (YYZ) 1
Effective 2026-09-08 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 1038)
Duration: 3:13, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8456
13:25
Denver (DEN)

18:35
Toronto Pearson (YYZ) 1
Effective 2026-03-29 through 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 1038)
Duration: 3:10, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8456
17:30
Denver (DEN)

22:41
Toronto Pearson (YYZ) 1
Valid until 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 1040)
Duration: 3:11, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8456
17:30
Denver (DEN)

22:41
Toronto Pearson (YYZ) 1
Effective 2026-01-09 through 2026-01-19
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Air Canada. (AC 1040)
Duration: 3:11, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8456
17:30
Denver (DEN)

22:41
Toronto Pearson (YYZ) 1
Effective 2026-01-21 through 2026-01-26
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Air Canada. (AC 1040)
Duration: 3:11, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8456
17:30
Denver (DEN)

22:41
Toronto Pearson (YYZ) 1
Effective 2026-01-29 through 2026-02-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Air Canada. (AC 1040)
Duration: 3:11, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8456
17:30
Denver (DEN)

22:41
Toronto Pearson (YYZ) 1
Effective 2026-02-07 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 1040)
Duration: 3:11, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8456
17:30
Denver (DEN)

22:41
Toronto Pearson (YYZ) 1
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 1040)
Duration: 3:11, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8456
18:10
Denver (DEN)

23:23
Toronto Pearson (YYZ) 1
Effective 2026-05-01 through 2026-06-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 1038)
Duration: 3:13, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8456
18:10
Denver (DEN)

23:22
Toronto Pearson (YYZ) 1
Effective 2026-06-18 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 1038)
Duration: 3:12, non-stop
Airbus A220-300 (223)
  • UA 8456 is an international flight departing from Denver airport, United States (DEN) and arriving at Toronto Pearson airport, Canada (YYZ).
  • The flight distance is 1311 miles, or 2110 km.
  • The timezone of the departure airport is UTC-7 , 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 3:10 and 3:13.
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