Flight Check

Best Airline: DEN to RNO

Denver to Reno — airline reliability comparison

Frontier Airlines is the most reliable airline on the DEN to RNO route with a 85% on-time rate, compared to Southwest Airlines at 73%. Based on 87 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 Airlines85%
SkyWest Airlines84%
United Airlines78%
Southwest Airlines73%

DEN to RNO Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Frontier AirlinesF9Best85%0.0%47m87
SkyWest AirlinesOO84%1.8%22m67
United AirlinesUA78%0.5%64m4,798
Southwest AirlinesWNWorst73%0.9%50m3,756

Route Overview

76%
Overall On-Time
58m
Avg Delay
0.6%
Cancel Rate
8,771
Total Flights
DEN to RNO Route DetailsReturn: RNO to DEN
DEN AirportRNO Airport

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