American Airlines AA4340 Flight Status
According to Trip.com real-time data, the AA4340 flight operated by American Airlines on Mar 16, 2026 is scheduled to fly from Buffalo (BUF) to Chicago (ORD). The flight is expected to depart at 6:06 AM (local time in Buffalo, UTC-4) and land at 7:20 AM (local time in Chicago, UTC-5) .
Sat, Mar 14
Mon, Mar 16
Tue, Mar 17
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Arrived
The flight has arrived 5m early
2h 14m
Check-in Counter
--
Boarding Gate
4
Arrival Gate
L22
Baggage
36
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Scheduled
Your flight will depart on time.
2h 14m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
L6B
Baggage
9
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Scheduled
Your flight will depart on time.
2h 14m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Information provided by VariFlightVariFlight. For real-time updates, please check airport displays or contact your airline. If this is not your flight, you can browse more options for flights from Buffalo to Chicago to find your schedule.
AA4340 Aircraft Details
According to Trip.com real-time data, the AA4340 flight flying from Buffalo to Chicago on 3/15/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 16y, 2m. The aircraft is equipped with Up to 100 seats.
Embraer 175
Punctuality (Departure)
20%
Punctuality (Arrival)
60%
Late on average
22 minutes
Age
16y, 2m
Seats
Up to 100
Flight Distance
--
Economy
Premium Economy
First
In-Flight Services
Snacks
Inflight entertainment is available
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
76 cm
Legroom
--
Seat width
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
Entertainment available, please bring your own device
Wi-Fi is available
No power outlets are available
Seat Information
86 cm
Legroom
--
Seat width
100°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
Inflight entertainment is available
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width better than on 10% of flights
120°
Reclining Angle
1-2
Seat layout example
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Flight History for AA4340
Check more records from Trip.com about AA4340 before and after today
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Mar 10 | Buffalo (BUF) | Chicago (ORD) | E75S | 6:12 AM | 6:44 AM | Arrived |
| Wed, Mar 11 | Buffalo (BUF) | Chicago (ORD) | E75S | -- | -- | Canceled |
| Thu, Mar 12 | Buffalo (BUF) | Chicago (ORD) | E75S | 7:07 AM | 7:36 AM | Arrived |
| Fri, Mar 13 | Buffalo (BUF) | Chicago (ORD) | E75L | 6:52 AM | 7:54 AM | Arrived |
| Sat, Mar 14 | Buffalo (BUF) | Chicago (ORD) | E75L | 6:36 AM | 7:09 AM | Arrived |
| Mon, Mar 16 | Buffalo (BUF) | Chicago (ORD) | E170 | 6:06 AM | 7:20 AM | Scheduled |
| Tue, Mar 17 | Buffalo (BUF) | Chicago (ORD) | E170 | 6:03 AM | 7:17 AM | Scheduled |
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AA4340 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of AA4340 is 20% (Late on average 59 minutes), and the on-time arrival rate is 60% (Late on average 22 minutes).
On-Time Departures
Punctuality
20%
Late on average 59 minutes
Early
0%
On time
20%
30 mins late
40%
60 mins late
20%
90 mins late
20%
Canceled
17%
On-Time Arrivals
Punctuality
60%
Late on average 22 minutes
Early
40%
On time
20%
30 mins late
20%
60 mins late
0%
90 mins late
20%
Canceled
17%
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Arrival Info: Chicago Weather & Current Time
Cloudy
|
2°C - 3°C
Weather forecast for your arrival day
-1 hour time difference
Time on arrival: Buffalo 08:20| Chicago 07:20
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