Flight OddsAA4349 BOS → DCA
American Airlines · Boston, MA to Washington, DC · 71 flights observed, 2025-07-01 to 2026-06-30 · 399 mi
AA4349 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
79%
Median delay
-11 min
90th percentile
+34 min
Cancellation rate
13%
How often is AA4349 on time?
Across 71 flights on BOS → DCA from 2025-07-01 to 2026-06-30, AA4349 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +34 min or later. 13% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 49 | 79% |
| 16-30 min | 5 | 8% |
| 31-60 min | 6 | 10% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 17 | 65% | +19 min |
| 2025-08 | 4 | 75% | +5 min |
| 2026-05 | 11 | 91% | -13 min |
| 2026-06 | 30 | 83% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 60% |
| Tue | 10 | 90% |
| Wed | 8 | 100% |
| Thu | 10 | 80% |
| Fri | 9 | 78% |
| Sat | 6 | 100% |
| Sun | 9 | 56% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…