Flight OddsWN2637 STL → DCA
Southwest Airlines · St. Louis, MO to Washington, DC · 32 flights observed, 2026-04-09 to 2026-06-01 · 719 mi
WN2637 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
59%
Median delay
+10 min
90th percentile
+44 min
Cancellation rate
0%
How often is WN2637 on time?
Across 32 flights on STL → DCA from 2026-04-09 to 2026-06-01, WN2637 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +44 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 | 19 | 59% |
| 16-30 min | 6 | 19% |
| 31-60 min | 6 | 19% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 13 | 62% | +11 min |
| 2026-05 | 18 | 61% | +15 min |
| 2026-06 | 1 | 0% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 25% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 50% |
| Fri | 8 | 75% |
| Sat | No data | — |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…