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Is Frontier Airlines on time Portland to Ontario?
86 flights · January 2025 – August 2026 · all airlines on PDX to ONT →
81.4%
Arrived on time
Route average 83.97%
0%
Cancelled
Route average 0.36%
57 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| Alaska Airlines | 404 | 84.79% | B |
| SkyWest Airlines | 62 | 82.26% | — |
Month by month
Jul 2025
peak 92
Dec 2025