MKE (Milwaukee) to DEN (Denver) flights arrive on time 83% of the time. The most reliable airline on this route is Southwest Airlines at 85%. The average delay is 67 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.MKE → DEN
MKE (Milwaukee) to DEN (Denver)
MKE → DEN on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 83% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Southwest Airlines edges out Frontier Airlines on this route — 85% vs 79% on time.
Airline Comparison
Southwest Airlines leads at 85% on time; Frontier Airlines trails at 79%.
Accurate?
Good to know
Departing from MKE
81% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. MKE has long runway queues.
TSA is currently ~5 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 ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Southwest Airlines owes you — refund rights, action plan, complaint email. Free.
Free flight briefing
Know before you go
Flying MKE → DEN? We'll brief you before takeoff.
Delay riskDOT stats + live data
TSA waitCurrent checkpoint lines
WeatherBoth airports
Gate & terminalLive updates
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated March 2026. Source: Bureau of Transportation Statistics.