Historical on-time performance
Chicago to Colorado Springs
917 miData through Dec 2025Source: US DOT · BTS
Flights on MDW–COS arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 196 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time79%Medianon timep9025 minCancel0.0%Flights196
Why flights run late
Delay causes
- Airline31%
- Weather0%
- Air traffic (NAS)20%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MDW → COS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 53% to 86% on time.
- Middays86% on time · p90 20 min · 411 flights
- Afternoons83% on time · p90 20 min · 152 flights · limited
- Mornings81% on time · p90 20 min · 477 flights
- Evenings53% on time · p90 80 min · 137 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 83% on time.
- Thursdays83% on time · p90 20 min · 178 flights · limited
- Mondays81% on time · p90 25 min · 181 flights · limited
- Tuesdays79% on time · p90 25 min · 178 flights · limited
- Wednesdays78% on time · p90 35 min · 176 flights · limited
- Sundays78% on time · p90 35 min · 162 flights · limited
- Saturdays78% on time · p90 30 min · 134 flights · limited
- Fridays76% on time · p90 30 min · 183 flights · limited
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