How long is the AC3451 flight from Denver to San Francisco?

The timetable allows 2 h 51 min. Denver to San Francisco is 1,553 km (965 mi).

Which terminal does AC3451 use?

It usually arrives at Terminal 3 at San Francisco International Airport (SFO). Check the flight card above for today's terminal and gate.

What other flight numbers does AC3451 have?

Also listed as ACA3451 (Air Canada's ICAO code) and AC 3451.

AC3451 Flight Status Air Canada: Denver to San Francisco (ACA3451)

Air Canada AC 3451

Delayed

DEN Denver

Scheduled: 21:18
Actual: 00:47

Gate: A29

Departure: Fri, Nov 13, 2026 · local time MST

Denver International Airport (DEN)

All DEN Departures >

SFO San Francisco

Scheduled: 23:09
Estimated: 02:01
Delay: 2h52'

Terminal: 3 | Gate: E3

Arrival: Fri, Nov 13, 2026 · local time PST

San Francisco International Airport (SFO)

All SFO Arrivals >

Departed 2h 21m ago · landing now 100%

DEN 00:47 SFO 02:01

1,553 km (965 mi) flown · 0 km (0 mi) to go

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

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Distance: 1553 km / 965 miles · Scheduled Duration: 02:51 · Typical Duration: 02:10

AC 3451 Flight Status & Schedule Air Canada Denver to San Francisco

Date	From	To	Departure	Arrival	Status	Details
Nov 13	DEN	SFO	00:47	02:01	Delayed	Track >
Nov 12	DEN	SFO	21:23	22:32	Landed	Track >
Nov 11	DEN	SFO	21:41	23:00	Landed	Track >
Nov 10	DEN	SFO	21:35	22:44	Landed	Track >
Nov 09	DEN	SFO	21:33	22:46	Landed	Track >
Nov 08	DEN	SFO	21:29	22:34	Landed	Track >
Nov 07	DEN	SFO	21:30	22:40	Landed	Track >
Nov 06	DEN	SFO	21:29	22:30	Landed	Track >
Nov 05	DEN	SFO	21:33	22:39	Landed	Track >
Nov 04	DEN	SFO	21:28	22:39	Landed	Track >

Air Canada's Denver–San Francisco flight covers 1,553 km (965 mi) and runs six times a week: Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. With 2 h 51 min in the timetable and a usual flight time of about 2 h 10 min, it often makes up time. Yesterday it left at 00:47, 3 h 29 min late, and is due in San Francisco at 02:01 the next morning, 2 h 52 min late.

< All Denver DEN Departures All San Francisco SFO Arrivals >

About AC 3451

Air Canada Flight AC3451 connects Denver, United States to San Francisco, United States, taking off from Denver International Airport DEN and landing at San Francisco International Airport SFO.

Route: Denver International Airport DEN to San Francisco International Airport SFO
Distance: 1,553 km (965 mi)
Typical flight time: 2 h 10 min
Flies: Mon, Tue, Wed, Thu, Fri, Sun
On time: 9 of the last 9

AC 3451 FAQ

How long is the AC3451 flight from Denver to San Francisco?: The timetable allows 2 h 51 min. Denver to San Francisco is 1,553 km (965 mi).
How often is AC3451 from Denver to San Francisco late?: None of the last 9 flights arrived 15 or more minutes late.
When was the latest AC3451 flight from Denver to San Francisco?: The latest AC3451 was the 21:18 (local time) departure from Denver on 12 November 2026; it landed 37 minutes early.
Which days does AC3451 fly from Denver to San Francisco?: Six times a week: Monday, Tuesday, Wednesday, Thursday, Friday and Sunday, based on the schedule of the last 7 days.
Which terminal does AC3451 use?: It usually arrives at Terminal 3 at San Francisco International Airport (SFO). Check the flight card above for today's terminal and gate.
What other flight numbers does AC3451 have?: Also listed as ACA3451 (Air Canada's ICAO code) and AC 3451.

AC3451 and Denver DEN to San Francisco SFO Flights

Flight AC3451 is a code-share Air Canada flight of the United Airlines operated UA2123.

Other flights departing from Denver DEN: UA2123, F92632, WN1196

Other flights arriving at San Francisco SFO: UA1852, UA650, UA2123

All flights connecting Denver DEN to San Francisco SFO.