American Airlines
Is AA4780 delayed?
No delay reported yet. AA4780 is scheduled to leave Chicago at 08:28 on Nov 14 and reach Buffalo at 10:40 (as of Nov 14, 14:27 UTC).
Usually on time: arrived within 15 min of schedule on 25 of the last 27 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Chicago
ORD
Scheduled
Nov 14
Arrival
Buffalo
BUF
Scheduled
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Buffalo
BUF
Scheduled
Nov 14
Arrival
Chicago
ORD
Scheduled
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Also sold as AS6184, BA1741, BA1890, GF6772, IB8340, JL7319, JL7801, QR8700, RJ7157, RJ7694
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- On schedule (2 min behind)
Buffalo → Chicago
- 14 min early
Chicago → Buffalo
- 23 min early
Buffalo → Chicago
- 19 min early
Chicago → Buffalo
- 2 min early
Buffalo → Chicago
Is AA4780 usually late?
Period: Oct 15, 2026 – Nov 14, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
At the airports today
Chicago (ORD) departures
- Left more than 15 min late
- 40 of 95
- Cancelled today
- 112
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 13, 2026Arrived | Buffalo | Chicago | 2 | |
| Nov 13, 2026Arrived | Chicago | Buffalo | -14 | |
| Nov 12, 2026Arrived | Buffalo | Chicago | -23 | |
| Nov 12, 2026Arrived | Chicago | Buffalo | -19 | |
| Nov 11, 2026Arrived | Buffalo | Chicago | -2 | |
| Nov 11, 2026Arrived | Chicago | Buffalo | -15 | |
| Nov 10, 2026Arrived | Buffalo | Chicago | 40 | |
| Nov 10, 2026Arrived | Chicago | Buffalo | 95 | |
| Nov 9, 2026Arrived | Buffalo | Chicago | -6 | |
| Nov 8, 2026Arrived | Buffalo | Chicago | -8 | |
| Nov 7, 2026Arrived | Buffalo | Chicago | -8 | |
| Nov 7, 2026Arrived | Chicago | Buffalo | -23 | |
| Nov 6, 2026Arrived | Buffalo | Chicago | 7 | |
| Nov 6, 2026Arrived | Chicago | Buffalo | -4 | |
| Nov 5, 2026Arrived | Buffalo | Chicago | -11 | |
| Nov 5, 2026Arrived | Chicago | Buffalo | -23 | |
| Nov 4, 2026Arrived | Buffalo | Chicago | -15 | |
| Nov 4, 2026Arrived | Chicago | Buffalo | -20 | |
| Nov 3, 2026Arrived | Buffalo | Chicago | Not available | |
| Nov 3, 2026Arrived | Chicago | Buffalo | 8 | |
| Nov 2, 2026Arrived | Buffalo | Chicago | Not available | |
| Nov 2, 2026Arrived | Chicago | Buffalo | -12 | |
| Nov 1, 2026Arrived | Chicago | Buffalo | -8 | |
| Oct 23, 2026Arrived | Chicago | Buffalo | -22 | |
| Oct 22, 2026Arrived | Chicago | Buffalo | -10 | |
| Oct 21, 2026Arrived | Chicago | Buffalo | -11 | |
| Oct 20, 2026Arrived | Chicago | Buffalo | -17 | |
| Oct 19, 2026Arrived | Chicago | Buffalo | 8 | |
| Oct 18, 2026Arrived | Chicago | Buffalo | -17 |