| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 06 | BUF | ORD | 06:11 | 06:34 |
Landed
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| Apr 04 | BUF | ORD | 06:14 | 07:00 |
Landed
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| Apr 03 | BUF | ORD | 06:51 | 07:13 |
Landed
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| Apr 02 | BUF | ORD | 06:09 | 06:44 |
Landed
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| Apr 01 | BUF | ORD | 06:18 | 06:40 |
Landed
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| Mar 31 | BUF | ORD | 06:30 | 06:57 |
Landed
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| Mar 30 | BUF | ORD | 06:11 | 06:31 |
Landed
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| Mar 28 | BUF | ORD | 06:30 | 06:53 |
Landed
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| Mar 27 | BUF | ORD | 06:12 | 06:45 |
Landed
|
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| Mar 26 | BUF | ORD | 06:14 | 06:36 |
Landed
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Track > |
American Airlines Flight AA4340 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 AA4340 flight from Buffalo to Chicago?
The average flight time from Buffalo to Chicago is 1 hour and 27 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 526 km/h / 327 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA4340 Buffalo to Chicago?
The Airportia On-Time Performance Rating for American Airlines Flight AA4340 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AA4340 arriving at?
Flight AA4340 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.
When was the latest AA4340 flight?
The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 06:34.
How else can the flight AA4340 be referenced as?
This American Airlines flight can also be referenced as AAL4340, AA 4340, AAL 4340.
How often is flight AA4340 delayed?
On average, 0% of all AA4340 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled AA4340 flight or baggage issues?
If your AA4340 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 AA4340 Flight Tracker above for more details.
Flight AA4340 is code-shared by 2 airlines using the flight numbers AS6540, JL7319
Other flights departing from Buffalo BUF: WN1303, DL5786, WN1272, AA1659
Other flights arriving at Chicago ORD: AA3671, AA3469, AA5314, AA3461
All flights connecting Buffalo BUF to Chicago ORD.