MIA (Miami) to DEN (Denver) flights arrive on time 77% of the time. The most reliable airline on this route is United Airlines at 82%. The average delay is 79 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.MIA → DEN
MIA (Miami) to DEN (Denver)
MIA → DEN on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
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 incoming plane arriving late.
Accurate?
United Airlines edges out American Airlines on this route — 82% vs 73% on time.
Airline Comparison
United Airlines leads at 82% on time; American Airlines trails at 73%.
Accurate?
Good to know
Departing from MIA
76% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. MIA has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at DEN
79% on timeWhen flights into DEN are late, the average delay is 69 minutes. Build buffer if you have ground plans.
If connecting at DEN: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what United Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of MIA? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated August 2026. Source: Bureau of Transportation Statistics.