Flight OddsAA3956 DCA → BUF
American Airlines · Washington, DC to Buffalo, NY · 138 flights observed, 2025-11-02 to 2026-05-20 · 296 mi
AA3956 covers more than one route in the data window — the stats below are for DCA → BUF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
+3 min
90th percentile
+76 min
Cancellation rate
5%
How often is AA3956 on time?
Across 138 flights on DCA → BUF from 2025-11-02 to 2026-05-20, AA3956 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +76 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 84 | 64% |
| 16-30 min | 13 | 10% |
| 31-60 min | 15 | 11% |
| 61-120 min | 10 | 8% |
| 2+ hrs | 9 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 6 | 50% | +38 min |
| 2025-12 | 15 | 80% | +13 min |
| 2026-01 | 19 | 47% | +40 min |
| 2026-02 | 23 | 48% | +30 min |
| 2026-03 | 26 | 54% | +26 min |
| 2026-04 | 25 | 80% | +8 min |
| 2026-05 | 17 | 88% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 61% |
| Tue | 21 | 76% |
| Wed | 23 | 70% |
| Thu | 20 | 70% |
| Fri | 21 | 38% |
| Sat | 5 | 80% |
| Sun | 23 | 65% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…