Flight OddsBOS → STL American Airlines
American Airlines · Boston, MA to St. Louis, MO · 676 flights, 2025-07-01 to 2026-06-30 · aggregated across 15 flight numbers
On-time arrival
82%
Median delay
-13 min
90th percentile
+41 min
Cancellation rate
2%
How on-time is American Airlines from BOS to STL?
Across every American Airlines flight number on BOS → STL (676 flights, 2025-07-01 to 2026-06-30), 82% arrived within 15 minutes of schedule. Median arrival delay -13 min; the worst 10% ran +41 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 543 | 82% |
| 16-30 min | 33 | 5% |
| 31-60 min | 35 | 5% |
| 61-120 min | 34 | 5% |
| 2+ hrs | 14 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 55 | 85% | -1 min |
| 2025-08 | 56 | 89% | -6 min |
| 2025-09 | 55 | 89% | -11 min |
| 2025-10 | 58 | 69% | +10 min |
| 2025-11 | 53 | 92% | -9 min |
| 2025-12 | 56 | 79% | -3 min |
| 2026-01 | 52 | 88% | -11 min |
| 2026-02 | 49 | 82% | -7 min |
| 2026-03 | 56 | 75% | +3 min |
| 2026-04 | 58 | 91% | -2 min |
| 2026-05 | 57 | 74% | +9 min |
| 2026-06 | 54 | 76% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 99 | 82% |
| Tue | 103 | 86% |
| Wed | 102 | 85% |
| Thu | 98 | 77% |
| Fri | 102 | 82% |
| Sat | 57 | 91% |
| Sun | 98 | 77% |
AA flight numbers on BOS → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…