| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | BUF | ORD | 18:59 | 19:23 |
Landed
|
Track > |
| May 19 | BUF | ORD | 21:05 | 19:17 |
Unknown
|
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| May 18 | BUF | ORD | 19:50 | 20:05 |
Delayed
|
Track > |
| May 17 | BUF | ORD | 18:14 | 18:35 |
Landed
|
Track > |
| May 16 | BUF | ORD | 18:06 | 18:30 |
Landed
|
Track > |
| May 15 | BUF | ORD | 18:38 | 18:56 |
Landed
|
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| May 14 | BUF | ORD | 18:12 | 18:31 |
Landed
|
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| May 13 | BUF | ORD | 18:05 | 18:29 |
Landed
|
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| May 12 | BUF | ORD | 18:25 | 18:55 |
Landed
|
Track > |
| May 11 | BUF | ORD | 18:09 | 18:38 |
Landed
|
Track > |
American Airlines Flight AA4423 connects Buffalo, United States to Chicago, United States, taking off from Buffalo Niagara International Airport BUF and landing at Chicago O'Hare International Airport ORD.
How long is the AA4423 flight from Buffalo to Chicago?
The average flight time from Buffalo to Chicago is 1 hour and 22 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 531 km/h / 330 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA4423 Buffalo to Chicago?
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.
Which terminal is the flight AA4423 arriving at?
Flight AA4423 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.
When was the latest AA4423 flight?
The latest flight took off on Thursday, May 21st, 2026 with the flight status being Landed on 19:23.
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 27 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, BA1674, GF6789, IB8339
Other flights departing from Buffalo BUF: UA2032, AA3956, WN2737, UA3442
Other flights arriving at Chicago ORD: AA3455, AA4182, AA2279, AA4998
All flights connecting Buffalo BUF to Chicago ORD.