Flight OddsAA403 BOS → PHL
American Airlines · Boston, MA to Philadelphia, PA · 63 flights observed, 2025-11-02 to 2026-01-05 · 280 mi
AA403 covers more than one route in the data window — the stats below are for BOS → PHL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-7 min
90th percentile
+48 min
Cancellation rate
2%
How often is AA403 on time?
Across 63 flights on BOS → PHL from 2025-11-02 to 2026-01-05, AA403 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +48 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 | 49 | 79% |
| 16-30 min | 4 | 6% |
| 31-60 min | 3 | 5% |
| 61-120 min | 4 | 6% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 28 | 89% | -9 min |
| 2025-12 | 29 | 66% | +33 min |
| 2026-01 | 5 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 70% |
| Tue | 9 | 67% |
| Wed | 8 | 63% |
| Thu | 8 | 88% |
| Fri | 9 | 89% |
| Sat | 8 | 88% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…