C
Is Southwest Airlines on time Boise to Denver?
1,092 flights · January 2025 – August 2026 · all airlines on BOI to DEN →
77.79%
Arrived on time
Route average 80.92%
0.09%
Cancelled
Route average 0.2%
56 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| United Airlines | 946 | 80.15% | C |
| SkyWest Airlines | 871 | 85.76% | A |
| Frontier Airlines | 126 | 80.16% | B |
Month by month
Jul 2025
peak 92
Jun 2026