PIT → STL Southwest Airlines
Southwest Airlines · Pittsburgh, PA to St. Louis, MO · 476 flights, 2025-07-01 to 2026-06-30 · aggregated across 28 flight numbers
On-time arrival
83%
Median delay
-9 min
90th percentile
+33 min
Cancellation rate
0%
How on-time is Southwest Airlines from PIT to STL?
Across every Southwest Airlines flight number on PIT → STL (476 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +33 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 396 | 83% |
| 16-30 min | 29 | 6% |
| 31-60 min | 26 | 5% |
| 61-120 min | 19 | 4% |
| 2+ hrs | 5 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 35 | 86% | -2 min |
| 2025-08 | 35 | 83% | -2 min |
| 2025-09 | 34 | 91% | -6 min |
| 2025-10 | 35 | 83% | -3 min |
| 2025-11 | 31 | 94% | -7 min |
| 2025-12 | 31 | 81% | +5 min |
| 2026-01 | 26 | 88% | -3 min |
| 2026-02 | 27 | 93% | -6 min |
| 2026-03 | 54 | 76% | +7 min |
| 2026-04 | 56 | 84% | +2 min |
| 2026-05 | 56 | 80% | +8 min |
| 2026-06 | 55 | 76% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 69 | 78% |
| Tue | 70 | 94% |
| Wed | 68 | 82% |
| Thu | 68 | 81% |
| Fri | 69 | 78% |
| Sat | 47 | 94% |
| Sun | 84 | 80% |
WN flight numbers on PIT → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…