Flight Check

Best Airline: ATL to JAX

Atlanta to Jacksonville — airline reliability comparison

Delta Air Lines is the most reliable airline on the ATL to JAX route with a 77% on-time rate, compared to Frontier Airlines at 55%. Based on 13,458 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 Lines77%
Southwest Airlines76%
Frontier Airlines55%

ATL to JAX Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest77%1.2%55m13,458
Southwest AirlinesWN76%0.5%49m1,640
Frontier AirlinesF9Worst55%1.4%63m183

Route Overview

77%
Overall On-Time
55m
Avg Delay
1.2%
Cancel Rate
15,322
Total Flights
ATL to JAX Route DetailsReturn: JAX to ATL
ATL AirportJAX Airport

Flying out of ATL? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

Free. No account needed.

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