Flight OddsAA1557 BOS → DCA
American Airlines · Boston, MA to Washington, DC · 35 flights observed, 2026-05-21 to 2026-06-30 · 399 mi
AA1557 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
59%
Median delay
+11 min
90th percentile
+202 min
Cancellation rate
3%
How often is AA1557 on time?
Across 35 flights on BOS → DCA from 2026-05-21 to 2026-06-30, AA1557 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +202 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 | 20 | 59% |
| 16-30 min | 2 | 6% |
| 31-60 min | 4 | 12% |
| 61-120 min | 2 | 6% |
| 2+ hrs | 6 | 18% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 9 | 56% | +35 min |
| 2026-06 | 25 | 60% | +53 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 6 | 83% |
| Wed | 5 | 60% |
| Thu | 6 | 67% |
| Fri | 6 | 67% |
| Sat | No data | — |
| Sun | 6 | 17% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…