Historical on-time performance
Denver to Chicago
895 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–MDW arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
Median delayon timetypical arrival
p90 delay50 min1 in 10 flights is worsetail risk
Cancelled1.5%of scheduled flights
based on 2,393 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Frontier AirlinesbestOn-time77%Medianon timep9040 minCancel0.0%Flights31
- Southwest AirlinesOn-time72%Medianon timep9050 minCancel1.5%Flights2,362
Why flights run late
Delay causes
- Airline30%
- Weather1%
- Air traffic (NAS)11%
- Late aircraft58%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
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