| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | SFO | ONT | 08:23 | 09:22 |
Landed
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| May 19 | SFO | ONT | 09:18 | 10:19 |
Landed Late
|
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| May 18 | SFO | ONT | 08:20 | 09:19 |
Landed
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| May 17 | SFO | ONT | 08:19 | 09:14 |
Landed
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| May 16 | SFO | ONT | 08:12 | 09:08 |
Landed
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| May 15 | SFO | ONT | 08:47 | 09:44 |
Landed
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| May 14 | SFO | ONT | 08:17 | 09:17 |
Landed
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| May 13 | SFO | ONT | 08:20 | 09:21 |
Landed
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| May 12 | SFO | ONT | 09:10 | 10:09 |
Landed Late
|
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| May 11 | SFO | ONT | 08:15 | 09:16 |
Landed
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Air Canada Flight AC4423 connects San Francisco, United States to Ontario, United States, taking off from San Francisco International Airport SFO and landing at Ontario International Airport ONT.
How long is the AC4423 flight from San Francisco to Ontario?
The average flight time from San Francisco to Ontario is 58 minutes. The flight distance is 585 km / 363 miles and the average flight speed is 597 km/h / 371 mph.
What is the On-Time Performance (OTP) of Air Canada Flight AC4423 San Francisco to Ontario?
The Airportia On-Time Performance Rating for Air Canada Flight AC4423 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AC4423 arriving at?
Flight AC4423 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest AC4423 flight?
The latest flight took off on Wednesday, May 20th, 2026 with the flight status being Landed on 09:22.
How else can the flight AC4423 be referenced as?
This Air Canada flight can also be referenced as ACA4423, AC 4423, ACA 4423.
How often is flight AC4423 delayed?
On average, 30% of all AC4423 flights are delayed. The average delay is 23 minutes.
Can I get compensation for my delayed or cancelled AC4423 flight or baggage issues?
If your AC4423 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 AC4423 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: UA1316, UA5411, UA5433, UA717
Other flights arriving at Ontario ONT: AA3168, 8C3490, UA1316, WN1666
All flights connecting San Francisco SFO to Ontario ONT.
