B
Is United Airlines on time Tucson to Denver?
836 flights · January 2025 – August 2026 · all airlines on TUS to DEN →
84.68%
Arrived on time
Route average 82.94%
0.6%
Cancelled
Route average 0.62%
73 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| Southwest Airlines | 1,202 | 80.05% | C |
| SkyWest Airlines | 621 | 86.5% | B |
| Frontier Airlines | 95 | 80.85% | — |
Month by month
Jul 2025
peak 91
Jun 2026