Historical on-time performance
Colorado Springs to Baltimore
1,503 miData through May 2026Source: US DOT · BTS
Flights on COS–BWI arrive on time 66% of the time over the last 12 months.
On-time rate66%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 61 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time66%Medianon timep9050 minCancel1.6%Flights61
Why flights run late
Delay causes
- Airline35%
- Weather10%
- Air traffic (NAS)25%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Airline.
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 1 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 → BWI
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 83% to 83% on time.
- Middays83% on time · p90 25 min · 287 flights
- Afternoons83% on time · p90 25 min · 155 flights · limited
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