Flight OddsAA397 BOS → DCA
American Airlines · Boston, MA to Washington, DC · 52 flights observed, 2025-07-01 to 2025-09-02 · 399 mi
AA397 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
92%
Median delay
-15 min
90th percentile
+9 min
Cancellation rate
2%
How often is AA397 on time?
Across 52 flights on BOS → DCA from 2025-07-01 to 2025-09-02, AA397 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +9 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 | 47 | 92% |
| 16-30 min | 1 | 2% |
| 31-60 min | 2 | 4% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 90% | -9 min |
| 2025-08 | 28 | 93% | -9 min |
| 2025-09 | 2 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 100% |
| Tue | 10 | 100% |
| Wed | 9 | 67% |
| Thu | 8 | 100% |
| Fri | 8 | 88% |
| Sat | 4 | 100% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…