Flight OddsAA3240 BOS → DCA
American Airlines · Boston, MA to Washington, DC · 120 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 BOS → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
84%
Median delay
-9 min
90th percentile
+35 min
Cancellation rate
3%
How often is AA3240 on time?
Across 120 flights on BOS → DCA from 2025-07-01 to 2025-11-01, AA3240 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +35 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 98 | 84% |
| 16-30 min | 6 | 5% |
| 31-60 min | 3 | 3% |
| 61-120 min | 5 | 4% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | +24 min |
| 2025-08 | 26 | 92% | -11 min |
| 2025-09 | 30 | 73% | +10 min |
| 2025-10 | 28 | 89% | -3 min |
| 2025-11 | 1 | 100% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 82% |
| Tue | 18 | 83% |
| Wed | 17 | 76% |
| Thu | 16 | 75% |
| Fri | 17 | 100% |
| Sat | 14 | 93% |
| Sun | 17 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…