D
Is Frontier Airlines on time Philadelphia to Denver?
296 flights · January 2025 – August 2026 · all airlines on PHL to DEN →
68.38%
Arrived on time
Route average 74.94%
1.69%
Cancelled
Route average 1.13%
112 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| United Airlines | 953 | 83.94% | B |
| Southwest Airlines | 879 | 68.98% | D |
| American Airlines | 877 | 73.32% | D |
Month by month
Jul 2025
peak 94
Jun 2026