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AC4045 Flight Status Air Canada: Calgary to San Francisco (ACA4045)

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AC 4045 Calgary to San Francisco Flight Status

Air Canada Flight AC4045 from Calgary International Airport YYC to San Francisco International Airport SFO is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 14th, 2026.
Check the table below for AC4045's most recent flight history:

AC 4045 Flight Status & Schedule

Date Departure Arrival Status
May 14 15:30 01:25
Delayed >3h
 Track >
< All YYC Departures All SFO Arrivals >

Air Canada AC 4045 Calgary to San Francisco Flight Information

Air Canada Flight AC4045 connects Calgary, Canada to San Francisco, United States, taking off from Calgary International Airport YYC and landing at San Francisco International Airport SFO.

How long is the AC4045 flight from Calgary to San Francisco?

The average flight time from Calgary to San Francisco is 4 hours and 23 minutes. The flight distance is 1638 km / 1018 miles and the average flight speed is 374 km/h / 232 mph.

What is the On-Time Performance (OTP) of Air Canada Flight AC4045 Calgary to San Francisco?

The Airportia On-Time Performance Rating for Air Canada Flight AC4045 is 3.5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AC4045 arriving at?

Flight AC4045 arrives at San Francisco International Airport (SFO) Terminal 3.

When was the latest AC4045 flight?

The latest flight took off on Friday, May 15th, 2026 with the flight status being Scheduled on 02:55.

How else can the flight AC4045 be referenced as?

This Air Canada flight can also be referenced as ACA4045, AC 4045, ACA 4045.

How often is flight AC4045 delayed?

On average, 100% of all AC4045 flights are delayed. The average delay is 90 minutes.

Can I get compensation for my delayed or cancelled AC4045 flight or baggage issues?

If your AC4045 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our AC4045 Flight Tracker above for more details.

AC4045 Flight Delay Compensation up to 600€!

Claim compensation for your flight delay or cancellation!

Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >

Check Compensation >

AC4045 and Calgary YYC to San Francisco SFO Flights

Other flights departing from Calgary YYC: WS3366, WS308, UA990, UA990

Other flights arriving at San Francisco SFO: UA97, DL656, UA1411, UA990

All flights connecting Calgary YYC to San Francisco SFO.

AC4045 Air Canada Flight: Calgary to San Francisco Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: DX3565 5F5406 7L1888 D31714 VF194 WN4900 AS1586 PF7781 MS6116 UR3865
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.