Historical on-time performance
Colorado Springs to Dallas
602 miData through Dec 2025Source: US DOT · BTS
Flights on COS–DAL arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 883 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time81%Medianon timep9035 minCancel0.8%Flights883
Why flights run late
Delay causes
- Airline20%
- Weather5%
- Air traffic (NAS)17%
- Late aircraft58%
- 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 COS → DAL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 1,067 flights
- Middays81% on time · p90 30 min · 671 flights
- Afternoons76% on time · p90 40 min · 418 flights
- Evenings70% on time · p90 55 min · 600 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 84% on time.
- Saturdays84% on time · p90 25 min · 253 flights
- Mondays83% on time · p90 30 min · 460 flights
- Fridays83% on time · p90 30 min · 459 flights
- Tuesdays82% on time · p90 25 min · 389 flights
- Sundays81% on time · p90 35 min · 357 flights
- Wednesdays81% on time · p90 30 min · 386 flights
- Thursdays78% on time · p90 35 min · 452 flights
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