Flight OddsAA4561 BOS → PHL
American Airlines · Boston, MA to Philadelphia, PA · 91 flights observed, 2026-01-06 to 2026-04-06 · 280 mi
AA4561 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
84%
Median delay
-3 min
90th percentile
+33 min
Cancellation rate
4%
How often is AA4561 on time?
Across 91 flights on BOS → PHL from 2026-01-06 to 2026-04-06, AA4561 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +33 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 73 | 84% |
| 16-30 min | 4 | 5% |
| 31-60 min | 3 | 3% |
| 61-120 min | 4 | 5% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 76% | +26 min |
| 2026-02 | 25 | 80% | +5 min |
| 2026-03 | 31 | 97% | -8 min |
| 2026-04 | 6 | 67% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 67% |
| Tue | 12 | 92% |
| Wed | 13 | 85% |
| Thu | 13 | 92% |
| Fri | 13 | 92% |
| Sat | 13 | 69% |
| Sun | 11 | 91% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…