A
Is Delta Air Lines on time Salt Lake City to Ontario?
902 flights · January 2025 – August 2026 · all airlines on SLC to ONT →
87.67%
Arrived on time
Route average 89.49%
1.11%
Cancelled
Route average 0.97%
64 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| SkyWest Airlines | 307 | 94.44% | A |
| Frontier Airlines | 30 | 93.1% | — |
Month by month
Jul 2025
peak 93
Jun 2026