Flight Check

Best Airline: ATL to SLC

Atlanta to Salt Lake City — airline reliability comparison

Delta Air Lines is the most reliable airline on the ATL to SLC route with a 84% on-time rate, compared to Frontier Airlines at 60%. Based on 10,591 flights tracked.

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

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Delta Air Lines84%
Frontier Airlines60%

ATL to SLC Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest84%0.5%56m10,591
Frontier AirlinesF9Worst60%5.6%56m41

Route Overview

84%
Overall On-Time
56m
Avg Delay
0.5%
Cancel Rate
10,673
Total Flights
ATL to SLC Route DetailsReturn: SLC to ATL
ATL AirportSLC Airport

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