JAX (Jacksonville) to DEN (Denver) flights arrive on time 85% of the time. The most reliable airline on this route is United Airlines at 86%. The average delay is 69 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.JAX → DEN
JAX (Jacksonville) to DEN (Denver)
JAX → DEN on-time performance by month
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This route is usually on time. About 85% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Airlines are roughly equal on this route — United Airlines leads slightly at 86% vs Southwest Airlines at 85%.
Airline Comparison
United Airlines leads at 86% on time; Southwest Airlines trails at 85%.
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 DEN
78% on timeWhen flights into DEN are late, the average delay is 67 minutes. Build buffer if you have ground plans.
If connecting at DEN: TSA is ~9 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.