JAX (Jacksonville) to MIA (Miami) flights arrive on time 79% of the time. The most reliable airline on this route is null at 80%. The average delay is 83 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.JAX → MIA
JAX (Jacksonville) to MIA (Miami)
JAX → MIA on-time performance by month
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This route is on time most of the time. About 79% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — null leads slightly at 80% vs American Airlines at 77%.
Airline Comparison
leads at 80% on time; American Airlines trails at 77%.
Accurate?
Good to know
Departing from JAX
79% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. JAX has long runway queues.
TSA is currently ~13 min. Best time: 4 AM (about 5 min).
Arriving at MIA
76% on timeWhen flights into MIA are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at MIA: TSA is ~8 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.