Flight Check

Best Airline: TYS to ORD

Knoxville to Chicago — airline reliability comparison

United Airlines is the most reliable airline on the TYS to ORD route with a 92% on-time rate, compared to PSA Airlines at 63%. Based on 603 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

United Airlines92%
Republic Airways85%
SkyWest Airlines75%
73%
PSA Airlines63%

TYS to ORD Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest92%1.6%57m603
Republic AirwaysYX85%1.3%74m503
SkyWest AirlinesOO75%1.8%97m3,614
MQ73%1.2%58m761
PSA AirlinesOHWorst63%6.1%104m912

Route Overview

77%
Overall On-Time
91m
Avg Delay
2.3%
Cancel Rate
6,487
Total Flights
TYS to ORD Route DetailsReturn: ORD to TYS
TYS AirportORD Airport

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