Allegiant Air is the most reliable airline on the AUS to DSM route with a 54% on-time rate. Based on 56 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: AUS to DSM
Austin to Des Moines — airline reliability comparison
On-Time Rate by Airline
Allegiant Air54%
AUS to DSM Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 54% | 5.5% | 106m | 56 |
Route Overview
58%
Overall On-Time
98m
Avg Delay
4.5%
Cancel Rate
67
Total Flights
Flying out of AUS? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.