Flight OddsSTL → PIT Southwest Airlines
Southwest Airlines · St. Louis, MO to Pittsburgh, PA · 477 flights, 2025-07-01 to 2026-06-30 · aggregated across 24 flight numbers
On-time arrival
80%
Median delay
-6 min
90th percentile
+43 min
Cancellation rate
0%
How on-time is Southwest Airlines from STL to PIT?
Across every Southwest Airlines flight number on STL → PIT (477 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -6 min; the worst 10% ran +43 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 382 | 80% |
| 16-30 min | 33 | 7% |
| 31-60 min | 27 | 6% |
| 61-120 min | 25 | 5% |
| 2+ hrs | 8 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 34 | 76% | +9 min |
| 2025-08 | 35 | 91% | -7 min |
| 2025-09 | 34 | 91% | +3 min |
| 2025-10 | 35 | 74% | +11 min |
| 2025-11 | 31 | 90% | -6 min |
| 2025-12 | 31 | 81% | +3 min |
| 2026-01 | 27 | 85% | +5 min |
| 2026-02 | 27 | 96% | -6 min |
| 2026-03 | 54 | 69% | +15 min |
| 2026-04 | 56 | 80% | +4 min |
| 2026-05 | 55 | 71% | +13 min |
| 2026-06 | 56 | 79% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 68 | 75% |
| Tue | 70 | 89% |
| Wed | 68 | 88% |
| Thu | 69 | 83% |
| Fri | 69 | 87% |
| Sat | 47 | 74% |
| Sun | 84 | 68% |
WN flight numbers on STL → PIT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…