Flight OddsAA4366 DCA → BOS
American Airlines · Washington, DC to Boston, MA · 47 flights observed, 2025-11-27 to 2026-02-11 · 399 mi
AA4366 covers more than one route in the data window — the stats below are for DCA → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-2 min
90th percentile
+28 min
Cancellation rate
2%
How often is AA4366 on time?
Across 47 flights on DCA → BOS from 2025-11-27 to 2026-02-11, AA4366 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +28 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 37 | 80% |
| 16-30 min | 5 | 11% |
| 31-60 min | 1 | 2% |
| 61-120 min | 3 | 7% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 1 | 100% | -16 min |
| 2025-12 | 14 | 71% | +5 min |
| 2026-01 | 23 | 83% | +3 min |
| 2026-02 | 8 | 88% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | 8 | 75% |
| Wed | 8 | 75% |
| Thu | 9 | 100% |
| Fri | 8 | 100% |
| Sat | 3 | 67% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…