C
Is Southwest Airlines on time St. Louis to Philadelphia?
724 flights · January 2025 – August 2026 · all airlines on STL to PHL →
76.32%
Arrived on time
Route average 79.56%
0.55%
Cancelled
Route average 1.39%
57 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| American Airlines | 630 | 81.32% | C |
| PSA Airlines | 133 | 85.48% | D |
| Republic Airways | 100 | 84.69% | B |
Month by month
Jul 2025
peak 96
Jun 2026