Allegiant Air is the most reliable airline on the GRR to AUS route with a 79% on-time rate. Based on 25 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: GRR to AUS
Grand Rapids to Austin — airline reliability comparison
On-Time Rate by Airline
Allegiant Air79%
GRR to AUS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 79% | 0.0% | 53m | 25 |
Route Overview
80%
Overall On-Time
52m
Avg Delay
0%
Cancel Rate
25
Total Flights
Flying out of GRR? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.