Is AA4439 delayed?
Service date: · Scheduled departure date (America/New_York)
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Departure
Boston
BOS
Scheduled
Sep 16
Arrival
Buffalo
BUF
Scheduled
Sep 17
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
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BOSBUF
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 4 min late
BOS → BUF
- On time
BOS → BUF
- 35 min late
BOS → BUF
- 9 min early
BOS → BUF
- 42 min late
BOS → BUF
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 14
- Arrivals over 15 minutes late
- 8
- Observed cancellations
- 0
- Observed occurrences
- 24
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 15, 2026Arrived | Boston | Buffalo | 4 | |
| Sep 14, 2026Arrived | Boston | Buffalo | 0 | |
| Sep 11, 2026Arrived | Boston | Buffalo | 35 | |
| Sep 10, 2026Arrived | Boston | Buffalo | -9 | |
| Sep 9, 2026Arrived | Boston | Buffalo | 42 | |
| Sep 8, 2026Arrived | Boston | Buffalo | 29 | |
| Sep 7, 2026Arrived | Boston | Buffalo | -21 | |
| Sep 6, 2026Arrived | Boston | Buffalo | 104 | |
| Sep 5, 2026Arrived | Boston | Buffalo | 62 | |
| Sep 4, 2026Arrived | Boston | Buffalo | 47 | |
| Sep 3, 2026Arrived | Boston | Buffalo | 120 | |
| Sep 1, 2026Arrived | Boston | Buffalo | -28 | |
| Aug 28, 2026Arrived | Boston | Buffalo | -16 | |
| Aug 21, 2026Arrived | Boston | Buffalo | 21 |