Flight OddsAA1004 BOS → DCA
American Airlines · Boston, MA to Washington, DC · 82 flights observed, 2025-07-01 to 2025-10-05 · 399 mi
AA1004 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
56%
Median delay
+9 min
90th percentile
+128 min
Cancellation rate
11%
How often is AA1004 on time?
Across 82 flights on BOS → DCA from 2025-07-01 to 2025-10-05, AA1004 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +128 min or later. 11% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 41 | 56% |
| 16-30 min | 8 | 11% |
| 31-60 min | 6 | 8% |
| 61-120 min | 10 | 14% |
| 2+ hrs | 8 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 18 | 50% | +66 min |
| 2025-08 | 25 | 68% | +23 min |
| 2025-09 | 26 | 54% | +44 min |
| 2025-10 | 4 | 25% | +42 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 50% |
| Tue | 12 | 92% |
| Wed | 11 | 64% |
| Thu | 13 | 38% |
| Fri | 12 | 50% |
| Sat | No data | — |
| Sun | 13 | 46% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…