D
Is Southwest Airlines on time St. Louis to Washington?
1,403 flights · January 2025 – August 2026 · all airlines on STL to DCA →
72.54%
Arrived on time
Route average 72.93%
1.43%
Cancelled
Route average 2.65%
57 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| PSA Airlines | 615 | 74.09% | D |
| Republic Airways | 199 | 77.08% | D |
| American Airlines | 175 | 67.46% | F |
| Envoy Air | 22 | 72.73% | — |
Month by month
Jul 2025
peak 80
Jun 2026