Flight OddsSTL → DCA American Airlines
American Airlines · St. Louis, MO to Washington, DC · 1,011 flights, 2025-07-01 to 2026-06-30 · aggregated across 35 flight numbers
On-time arrival
74%
Median delay
-7 min
90th percentile
+63 min
Cancellation rate
4%
How on-time is American Airlines from STL to DCA?
Across every American Airlines flight number on STL → DCA (1,011 flights, 2025-07-01 to 2026-06-30), 74% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +63 min or later. 4% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 711 | 74% |
| 16-30 min | 78 | 8% |
| 31-60 min | 66 | 7% |
| 61-120 min | 54 | 6% |
| 2+ hrs | 49 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 71 | 68% | +50 min |
| 2025-08 | 77 | 70% | +13 min |
| 2025-09 | 100 | 73% | +19 min |
| 2025-10 | 102 | 79% | +5 min |
| 2025-11 | 92 | 75% | +6 min |
| 2025-12 | 79 | 75% | +4 min |
| 2026-01 | 72 | 74% | +38 min |
| 2026-02 | 69 | 75% | +7 min |
| 2026-03 | 74 | 69% | +33 min |
| 2026-04 | 76 | 84% | +2 min |
| 2026-05 | 75 | 72% | +29 min |
| 2026-06 | 71 | 75% | +22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 156 | 71% |
| Tue | 167 | 75% |
| Wed | 163 | 76% |
| Thu | 158 | 75% |
| Fri | 149 | 72% |
| Sat | 61 | 80% |
| Sun | 104 | 72% |
AA flight numbers on STL → DCA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…