Historical on-time performance
Colorado Springs to Dallas
602 miData through May 2026Source: 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)
Cancelled0.6%of scheduled flights
based on 840 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 minCancel0.6%Flights840
Why flights run late
Delay causes
- Airline20%
- Weather5%
- Air traffic (NAS)18%
- Late aircraft57%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 cancellations with a reported cause (BTS reports causes from June 2003).
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 (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 10 min · 1,033 flights
- Middays82% on time · p90 30 min · 695 flights
- Afternoons75% on time · p90 45 min · 445 flights
- Evenings68% on time · p90 60 min · 499 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 84% on time.
- Saturdays84% on time · p90 25 min · 255 flights
- Wednesdays83% on time · p90 30 min · 362 flights
- Mondays83% on time · p90 30 min · 442 flights
- Fridays82% on time · p90 30 min · 446 flights
- Tuesdays81% on time · p90 25 min · 366 flights
- Sundays80% on time · p90 35 min · 363 flights
- Thursdays79% on time · p90 35 min · 438 flights
Keep exploring