Flight OddsMSY → STL Southwest Airlines
Southwest Airlines · New Orleans, LA to St. Louis, MO · 731 flights, 2025-07-01 to 2026-06-30 · aggregated across 35 flight numbers
On-time arrival
83%
Median delay
-8 min
90th percentile
+34 min
Cancellation rate
0%
How on-time is Southwest Airlines from MSY to STL?
Across every Southwest Airlines flight number on MSY → STL (731 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +34 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 599 | 83% |
| 16-30 min | 50 | 7% |
| 31-60 min | 37 | 5% |
| 61-120 min | 30 | 4% |
| 2+ hrs | 10 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 57 | 77% | +4 min |
| 2025-08 | 47 | 81% | 0 min |
| 2025-09 | 47 | 91% | -4 min |
| 2025-10 | 82 | 85% | +1 min |
| 2025-11 | 58 | 84% | +3 min |
| 2025-12 | 60 | 90% | -4 min |
| 2026-01 | 63 | 95% | -6 min |
| 2026-02 | 70 | 83% | +3 min |
| 2026-03 | 67 | 75% | +9 min |
| 2026-04 | 60 | 80% | +5 min |
| 2026-05 | 60 | 72% | +6 min |
| 2026-06 | 55 | 76% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 112 | 79% |
| Tue | 102 | 89% |
| Wed | 99 | 90% |
| Thu | 112 | 85% |
| Fri | 113 | 80% |
| Sat | 64 | 89% |
| Sun | 124 | 71% |
WN flight numbers on MSY → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…