B
Is United Airlines on time San Diego to Denver?
2,081 flights · January 2025 – August 2026 · all airlines on SAN to DEN →
85.37%
Arrived on time
Route average 79.22%
0.77%
Cancelled
Route average 0.89%
65 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| Southwest Airlines | 2,387 | 72.39% | D |
| Frontier Airlines | 704 | 81.56% | C |
| Alaska Airlines | 433 | 83.41% | B |
| SkyWest Airlines | 342 | 79.23% | C |
Month by month
Jul 2025
peak 92
Jun 2026