| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 18 | ORD | BUF | 09:05 | 11:13 |
Delayed
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| Aug 17 | ORD | BUF | 07:42 | 09:53 |
Landed
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| Aug 16 | ORD | BUF | 07:27 | 09:40 |
Landed
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| Aug 15 | ORD | BUF | 08:00 | 10:07 |
Landed
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| Aug 14 | ORD | BUF | 07:33 | 09:50 |
Landed
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| Aug 13 | ORD | BUF | 08:03 | 10:09 |
Landed Late
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| Aug 12 | ORD | BUF | 07:34 | 09:45 |
Landed
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| Aug 11 | ORD | BUF | 07:45 | 09:52 |
Landed
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| Aug 10 | ORD | BUF | 07:41 | 09:54 |
Landed
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| Aug 09 | ORD | BUF | 07:46 | 10:02 |
Landed
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Air Canada Flight AC3943 connects Chicago, United States to Buffalo, United States, taking off from Chicago O'Hare International Airport ORD and landing at Buffalo Niagara International Airport BUF.
How long is the AC3943 flight from Chicago to Buffalo?
The average flight time from Chicago to Buffalo is 1 hour and 10 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 645 km/h / 401 mph.
What is the On-Time Performance (OTP) of Air Canada Flight AC3943 Chicago to Buffalo?
The Airportia On-Time Performance Rating for Air Canada Flight AC3943 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AC3943 flight?
The latest flight took off on Monday, August 18th, 2025 with the flight status being En-Route on 11:13.
How else can the flight AC3943 be referenced as?
This Air Canada flight can also be referenced as ACA3943, AC 3943, ACA 3943.
How often is flight AC3943 delayed?
On average, 40% of all AC3943 flights are delayed. The average delay is 27 minutes.
Can I get compensation for my delayed or cancelled AC3943 flight or baggage issues?
If your AC3943 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 AC3943 Flight Tracker above for more details.
Other flights departing from Chicago ORD: UA2038, UA3421, UA4597, UA3685
Other flights arriving at Buffalo BUF: UA4183, UA2038, B61026, UA4426
All flights connecting Chicago ORD to Buffalo BUF.
