Flight OddsSTL → MIA American Airlines
American Airlines · St. Louis, MO to Miami, FL · 702 flights, 2025-07-01 to 2026-06-30 · aggregated across 21 flight numbers
On-time arrival
87%
Median delay
-13 min
90th percentile
+21 min
Cancellation rate
1%
How on-time is American Airlines from STL to MIA?
Across every American Airlines flight number on STL → MIA (702 flights, 2025-07-01 to 2026-06-30), 87% arrived within 15 minutes of schedule. Median arrival delay -13 min; the worst 10% ran +21 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 608 | 87% |
| 16-30 min | 29 | 4% |
| 31-60 min | 25 | 4% |
| 61-120 min | 17 | 2% |
| 2+ hrs | 16 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 35 | 80% | +8 min |
| 2025-08 | 31 | 94% | -7 min |
| 2025-09 | 30 | 93% | -9 min |
| 2025-10 | 45 | 82% | +3 min |
| 2025-11 | 69 | 84% | -1 min |
| 2025-12 | 64 | 78% | +2 min |
| 2026-01 | 72 | 89% | +11 min |
| 2026-02 | 78 | 90% | -15 min |
| 2026-03 | 89 | 83% | -1 min |
| 2026-04 | 63 | 98% | -16 min |
| 2026-05 | 59 | 95% | -4 min |
| 2026-06 | 60 | 87% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 99 | 85% |
| Tue | 101 | 90% |
| Wed | 100 | 93% |
| Thu | 100 | 89% |
| Fri | 99 | 88% |
| Sat | 99 | 79% |
| Sun | 97 | 89% |
AA flight numbers on STL → MIA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…