ATL (Atlanta) to JAX (Jacksonville) flights arrive on time 77% of the time. The most reliable airline on this route is Delta Air Lines at 77%. The average delay is 55 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.ATL → JAX
ATL (Atlanta) to JAX (Jacksonville)
ATL → JAX on-time performance by month
This route is on time most of the time. About 77% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Delta Air Lines is significantly more reliable on this route at 77% on time vs Frontier Airlines at 55%.
Airline Comparison
Delta Air Lines leads at 77% on time; Frontier Airlines trails at 55%.
Good to know
Departing from ATL
81% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. ATL has long runway queues.
TSA is currently ~27 min. Best time: 4 AM (about 5 min).
Arriving at JAX
78% on timeWhen flights into JAX are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at JAX: TSA is ~30 min right now. Allow at least 60 minutes for a domestic connection.
Flying out of ATL? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
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Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.