Flight OddsWN4426 STL → DCA
Southwest Airlines · St. Louis, MO to Washington, DC · 60 flights observed, 2025-11-02 to 2026-01-05 · 719 mi
WN4426 covers more than one route in the data window — the stats below are for STL → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
62%
Median delay
+8 min
90th percentile
+83 min
Cancellation rate
0%
How often is WN4426 on time?
Across 60 flights on STL → DCA from 2025-11-02 to 2026-01-05, WN4426 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +83 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 37 | 62% |
| 16-30 min | 7 | 12% |
| 31-60 min | 4 | 7% |
| 61-120 min | 8 | 13% |
| 2+ hrs | 4 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 26 | 62% | +33 min |
| 2025-12 | 29 | 62% | +20 min |
| 2026-01 | 5 | 60% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 70% |
| Tue | 9 | 67% |
| Wed | 9 | 100% |
| Thu | 8 | 50% |
| Fri | 9 | 56% |
| Sat | 5 | 40% |
| Sun | 10 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…