Flight OddsAA4503 JFK → BOS
American Airlines · New York, NY to Boston, MA · 103 flights observed, 2025-11-02 to 2026-04-06 · 187 mi
AA4503 covers more than one route in the data window — the stats below are for JFK → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
57%
Median delay
+7 min
90th percentile
+84 min
Cancellation rate
12%
How often is AA4503 on time?
Across 103 flights on JFK → BOS from 2025-11-02 to 2026-04-06, AA4503 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +84 min or later. 12% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 52 | 57% |
| 16-30 min | 12 | 13% |
| 31-60 min | 13 | 14% |
| 61-120 min | 9 | 10% |
| 2+ hrs | 5 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 20 | 50% | +22 min |
| 2025-12 | 21 | 48% | +28 min |
| 2026-02 | 15 | 80% | +14 min |
| 2026-03 | 29 | 62% | +29 min |
| 2026-04 | 6 | 33% | +22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 77% |
| Tue | 14 | 43% |
| Wed | 13 | 38% |
| Thu | 12 | 50% |
| Fri | 13 | 54% |
| Sat | 13 | 85% |
| Sun | 13 | 54% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…