DEN (Denver) to JAX (Jacksonville) flights arrive on time 73% of the time. The most reliable airline on this route is United Airlines at 73%. The average delay is 57 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.DEN → JAX
DEN (Denver) to JAX (Jacksonville)
DEN → JAX on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 73% 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 — United Airlines leads slightly at 73% vs Southwest Airlines at 70%.
Airline Comparison
United Airlines leads at 73% on time; Southwest Airlines trails at 70%.
Accurate?
Good to know
Departing from DEN
78% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. DEN has long runway queues.
TSA is currently ~9 min. Best time: 4 AM (about 5 min).
Arriving at JAX
79% on timeWhen flights into JAX are late, the average delay is 72 minutes. Build buffer if you have ground plans.
If connecting at JAX: TSA is ~13 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.