D
Is Southwest Airlines on time St. Louis to Phoenix?
1,600 flights · January 2025 – August 2026 · all airlines on STL to PHX →
72.19%
Arrived on time
Route average 75.33%
0.31%
Cancelled
Route average 0.48%
51 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| American Airlines | 548 | 81.73% | B |
| Frontier Airlines | 53 | 82.69% | — |
| SkyWest Airlines | 53 | 83.02% | — |
| Envoy Air | 30 | 100% | — |
Month by month
Jul 2025
peak 84
Jun 2026