Flight Check

Best Airline: ATL to SJC

Atlanta to San Jose — airline reliability comparison

Delta Air Lines is the most reliable airline on the ATL to SJC route with a 86% on-time rate. Based on 2,983 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 Lines86%

ATL to SJC Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest86%0.8%49m2,983

Route Overview

86%
Overall On-Time
49m
Avg Delay
0.9%
Cancel Rate
2,983
Total Flights
ATL to SJC Route DetailsReturn: SJC to ATL
ATL AirportSJC Airport

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