DEN (Denver) to ORD (Chicago) flights arrive on time 75% of the time. The most reliable airline on this route is American Airlines at 77%. The average delay is 75 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated April 2026.DEN → ORD
DEN (Denver) to ORD (Chicago)
DEN → ORD on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 75% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
American Airlines is significantly more reliable on this route at 77% on time vs Frontier Airlines at 59%.
Airline Comparison
American Airlines leads at 77% on time; Frontier Airlines trails at 59%.
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 ~30 min. Best time: 4 AM (about 5 min).
Arriving at ORD
80% on timeWhen flights into ORD are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at ORD: TSA is ~21 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what American Airlines owes you — refund rights, action plan, complaint email. Free.
Let us watch your flight
We worry about delays, TSA, weather, and gates so you don't have to.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated April 2026. Source: Bureau of Transportation Statistics.