| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | ORD | BUF | 16:07 | 18:12 |
Delayed
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| May 19 | ORD | BUF | 15:46 | 17:57 |
Landed Late
|
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| May 18 | ORD | BUF | 14:40 | 17:30 |
Cancelled
|
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| Claim > | ||||||
| May 17 | ORD | BUF | 15:17 | 17:27 |
Landed
|
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| May 16 | ORD | BUF | 15:03 | 17:11 |
Landed
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| May 15 | ORD | BUF | 15:14 | 17:26 |
Landed
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| May 14 | ORD | BUF | 15:05 | 17:20 |
Landed
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| May 13 | ORD | BUF | 15:03 | 17:15 |
Landed
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| May 12 | ORD | BUF | 14:51 | 16:59 |
Landed
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| May 11 | ORD | BUF | 14:59 | 17:01 |
Landed
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Track > |
American Airlines Flight AA4423 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 AA4423 flight from Chicago to Buffalo?
The average flight time from Chicago to Buffalo is 1 hour and 9 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 636 km/h / 395 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA4423 Chicago to Buffalo?
The Airportia On-Time Performance Rating for American Airlines Flight AA4423 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AA4423 flight?
The latest flight took off on Wednesday, May 20th, 2026 with the flight status being En-Route on 18:12.
How else can the flight AA4423 be referenced as?
This American Airlines flight can also be referenced as AAL4423, AA 4423, AAL 4423.
How often is flight AA4423 delayed?
On average, 20% of all AA4423 flights are delayed. The average delay is 34 minutes.
Can I get compensation for my delayed or cancelled AA4423 flight or baggage issues?
If your AA4423 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 AA4423 Flight Tracker above for more details.
Flight AA4423 is code-shared by 4 airlines using the flight numbers AS6183, BA6508, GF6482, JL7506
Other flights departing from Chicago ORD: UA2138, UA2166, UA5358, UA6049
Other flights arriving at Buffalo BUF: AA3956, AA4385, AA1919, UA2126
All flights connecting Chicago ORD to Buffalo BUF.
