Flight Check

Best Airline: ORD to SMF

Chicago to Sacramento — airline reliability comparison

United Airlines is the most reliable airline on the ORD to SMF route with a 76% on-time rate, compared to American Airlines at 73%. Based on 3,355 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 Airlines76%
American Airlines73%

ORD to SMF Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest76%0.8%60m3,355
American AirlinesAAWorst73%1.9%63m952

Route Overview

75%
Overall On-Time
61m
Avg Delay
1.1%
Cancel Rate
4,329
Total Flights
ORD to SMF Route DetailsReturn: SMF to ORD
ORD AirportSMF Airport

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