B
Is Frontier Airlines on time Boise to Denver?
126 flights · January 2025 – August 2026 · all airlines on BOI to DEN →
80.16%
Arrived on time
Route average 80.92%
0%
Cancelled
Route average 0.2%
141 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| Southwest Airlines | 1,092 | 77.79% | C |
| United Airlines | 946 | 80.15% | C |
| SkyWest Airlines | 871 | 85.76% | A |
Month by month
Jul 2025
peak 91
Jun 2026