Flight OddsSTL → RDU Southwest Airlines
Southwest Airlines · St. Louis, MO to Raleigh/Durham, NC · 652 flights, 2025-07-01 to 2026-06-30 · aggregated across 29 flight numbers
On-time arrival
83%
Median delay
-5 min
90th percentile
+39 min
Cancellation rate
0%
How on-time is Southwest Airlines from STL to RDU?
Across every Southwest Airlines flight number on STL → RDU (652 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +39 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 540 | 83% |
| 16-30 min | 36 | 6% |
| 31-60 min | 38 | 6% |
| 61-120 min | 28 | 4% |
| 2+ hrs | 9 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 58 | 79% | +9 min |
| 2025-08 | 53 | 89% | +1 min |
| 2025-09 | 52 | 85% | +1 min |
| 2025-10 | 58 | 76% | +7 min |
| 2025-11 | 58 | 79% | +7 min |
| 2025-12 | 60 | 85% | +4 min |
| 2026-01 | 31 | 94% | -7 min |
| 2026-02 | 34 | 97% | -10 min |
| 2026-03 | 59 | 76% | +10 min |
| 2026-04 | 63 | 86% | +1 min |
| 2026-05 | 65 | 86% | +12 min |
| 2026-06 | 60 | 75% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 97 | 82% |
| Tue | 97 | 91% |
| Wed | 95 | 94% |
| Thu | 97 | 78% |
| Fri | 100 | 87% |
| Sat | 69 | 75% |
| Sun | 96 | 71% |
WN flight numbers on STL → RDU
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…