Flight OddsAA4366 BOS → DCA
American Airlines · Boston, MA to Washington, DC · 55 flights observed, 2025-11-27 to 2026-05-17 · 399 mi
AA4366 covers more than one route in the data window — the stats below are for BOS → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-3 min
90th percentile
+24 min
Cancellation rate
4%
How often is AA4366 on time?
Across 55 flights on BOS → DCA from 2025-11-27 to 2026-05-17, AA4366 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +24 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 42 | 79% |
| 16-30 min | 7 | 13% |
| 31-60 min | 2 | 4% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 1 | 0% | +85 min |
| 2026-02 | 12 | 75% | -1 min |
| 2026-03 | 6 | 67% | +10 min |
| 2026-04 | 24 | 88% | +5 min |
| 2026-05 | 10 | 80% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 100% |
| Tue | 7 | 71% |
| Wed | 8 | 88% |
| Thu | 9 | 89% |
| Fri | 8 | 75% |
| Sat | 6 | 83% |
| Sun | 9 | 56% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…