Flight OddsAA3240 DCA → BOS
American Airlines · Washington, DC to Boston, MA · 122 flights observed, 2025-07-01 to 2025-11-01 · 399 mi
AA3240 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
85%
Median delay
-13 min
90th percentile
+24 min
Cancellation rate
4%
How often is AA3240 on time?
Across 122 flights on DCA → BOS from 2025-07-01 to 2025-11-01, AA3240 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -13 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 | 99 | 85% |
| 16-30 min | 7 | 6% |
| 31-60 min | 2 | 2% |
| 61-120 min | 3 | 3% |
| 2+ hrs | 6 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 93% | -12 min |
| 2025-08 | 29 | 100% | -18 min |
| 2025-09 | 30 | 80% | +5 min |
| 2025-10 | 28 | 64% | +36 min |
| 2025-11 | 1 | 100% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 81% |
| Tue | 17 | 88% |
| Wed | 18 | 67% |
| Thu | 16 | 88% |
| Fri | 17 | 94% |
| Sat | 17 | 94% |
| Sun | 16 | 81% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…