STL → PHL American Airlines
American Airlines · St. Louis, MO to Philadelphia, PA · 863 flights, 2025-07-01 to 2026-06-30 · aggregated across 29 flight numbers
On-time arrival
83%
Median delay
-13 min
90th percentile
+48 min
Cancellation rate
2%
How on-time is American Airlines from STL to PHL?
Across every American Airlines flight number on STL → PHL (863 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -13 min; the worst 10% ran +48 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 697 | 83% |
| 16-30 min | 38 | 5% |
| 31-60 min | 36 | 4% |
| 61-120 min | 38 | 5% |
| 2+ hrs | 34 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 73 | 59% | +21 min |
| 2025-08 | 84 | 79% | +15 min |
| 2025-09 | 76 | 84% | +22 min |
| 2025-10 | 85 | 81% | +42 min |
| 2025-11 | 79 | 86% | -2 min |
| 2025-12 | 58 | 86% | +5 min |
| 2026-01 | 58 | 90% | -4 min |
| 2026-02 | 51 | 92% | -12 min |
| 2026-03 | 61 | 85% | +3 min |
| 2026-04 | 59 | 90% | -8 min |
| 2026-05 | 70 | 81% | -4 min |
| 2026-06 | 89 | 85% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 126 | 79% |
| Tue | 120 | 83% |
| Wed | 115 | 89% |
| Thu | 122 | 86% |
| Fri | 125 | 83% |
| Sat | 110 | 80% |
| Sun | 125 | 80% |
AA flight numbers on STL → PHL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…