Flight Check

Best Airline: SLC to ORD

Salt Lake City to Chicago — airline reliability comparison

SkyWest Airlines is the most reliable airline on the SLC to ORD route with a 84% on-time rate, compared to Frontier Airlines at 69%. Based on 1,447 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

SkyWest Airlines84%
United Airlines82%
Delta Air Lines81%
78%
American Airlines76%
Frontier Airlines69%

SLC to ORD Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
SkyWest AirlinesOOBest84%0.8%134m1,447
United AirlinesUA82%1.4%82m3,528
Delta Air LinesDL81%0.9%74m3,651
MQ78%0.0%77m73
American AirlinesAA76%0.7%94m1,949
Frontier AirlinesF9Worst69%6.2%61m47

Route Overview

80%
Overall On-Time
89m
Avg Delay
1.1%
Cancel Rate
10,762
Total Flights
SLC to ORD Route DetailsReturn: ORD to SLC
SLC AirportORD Airport

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