Flight Check

Best Airline: DEN to IND

Denver to Indianapolis — airline reliability comparison

Frontier Airlines is the most reliable airline on the DEN to IND route with a 82% on-time rate, compared to Southwest Airlines at 73%. Based on 959 flights tracked.

This route involves weather-prone airports and high-congestion airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Frontier Airlines82%
United Airlines80%
Southwest Airlines73%

DEN to IND Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Frontier AirlinesF9Best82%1.3%68m959
United AirlinesUA80%0.6%59m3,124
Southwest AirlinesWNWorst73%0.8%55m5,089

Route Overview

76%
Overall On-Time
58m
Avg Delay
0.8%
Cancel Rate
9,182
Total Flights
DEN to IND Route DetailsReturn: IND to DEN
DEN AirportIND Airport

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Data last updated October 2026. Source: Bureau of Transportation Statistics.