Allegiant Air is the most reliable airline on the PDX to GRR route with a 81% on-time rate. Based on 26 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PDX to GRR
Portland to Grand Rapids — airline reliability comparison
On-Time Rate by Airline
Allegiant Air81%
PDX to GRR Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 81% | 0.0% | 20m | 26 |
Route Overview
81%
Overall On-Time
20m
Avg Delay
0%
Cancel Rate
26
Total Flights
Flying out of PDX? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.