Flight OddsWN2140 DCA → STL
Southwest Airlines · Washington, DC to St. Louis, MO · 27 flights observed, 2026-01-10 to 2026-03-02 · 719 mi
WN2140 covers more than one route in the data window — the stats below are for DCA → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
84%
Median delay
-14 min
90th percentile
+38 min
Cancellation rate
7%
How often is WN2140 on time?
Across 27 flights on DCA → STL from 2026-01-10 to 2026-03-02, WN2140 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +38 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 21 | 84% |
| 16-30 min | 1 | 4% |
| 31-60 min | 2 | 8% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 8 | 88% | -9 min |
| 2026-02 | 15 | 80% | +26 min |
| 2026-03 | 2 | 100% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 1 | 100% |
| Wed | No data | — |
| Thu | 5 | 100% |
| Fri | 5 | 60% |
| Sat | 5 | 80% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…