is the most reliable airline on the DSM to MIA route with a 87% on-time rate. Based on 441 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DSM to MIA
Des Moines to Miami — airline reliability comparison
On-Time Rate by Airline
87%
Route Overview
86%
Overall On-Time
80m
Avg Delay
2.9%
Cancel Rate
445
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.