Flight OddsAA4555 DCA → BOS
American Airlines · Washington, DC to Boston, MA · 28 flights observed, 2025-07-05 to 2025-08-05 · 399 mi
AA4555 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
61%
Median delay
+8 min
90th percentile
+107 min
Cancellation rate
18%
How often is AA4555 on time?
Across 28 flights on DCA → BOS from 2025-07-05 to 2025-08-05, AA4555 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +107 min or later. 18% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 14 | 61% |
| 16-30 min | 1 | 4% |
| 31-60 min | 3 | 13% |
| 61-120 min | 3 | 13% |
| 2+ hrs | 2 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 19 | 58% | +36 min |
| 2025-08 | 4 | 75% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 4 | 50% |
| Wed | 3 | 67% |
| Thu | 3 | 67% |
| Fri | No data | — |
| Sat | 4 | 75% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…