Flight Check

Best Airline: ORD to PIT

Chicago to Pittsburgh — airline reliability comparison

Republic Airways is the most reliable airline on the ORD to PIT route with a 86% on-time rate, compared to American Airlines at 66%. Based on 3,860 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

Republic Airways86%
80%
United Airlines79%
SkyWest Airlines75%
American Airlines66%

ORD to PIT Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest86%1.4%66m3,860
MQ80%1.3%48m1,036
United AirlinesUA79%1.0%64m3,920
SkyWest AirlinesOO75%1.1%73m460
American AirlinesAAWorst66%1.8%107m2,191

Route Overview

78%
Overall On-Time
77m
Avg Delay
1.5%
Cancel Rate
11,605
Total Flights
ORD to PIT Route DetailsReturn: PIT to ORD
ORD AirportPIT Airport

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