Historical on-time performance
Colorado Springs to Baltimore
1,503 miData through Dec 2025Source: US DOT · BTS
Flights on COS–BWI arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 92 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time72%Medianon timep9035 minCancel1.1%Flights92
Why flights run late
Delay causes
- Airline30%
- Weather8%
- Air traffic (NAS)22%
- Late aircraft40%
- 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 → BWI
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 83% to 83% on time.
- Middays83% on time · p90 25 min · 284 flights
- Afternoons83% on time · p90 25 min · 155 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 93% on time.
- Saturdays93% on time · p90 5 min · 55 flights · limited
- Mondays88% on time · p90 30 min · 73 flights · limited
- Thursdays87% on time · p90 20 min · 70 flights · limited
- Fridays85% on time · p90 15 min · 72 flights · limited
- Wednesdays82% on time · p90 20 min · 66 flights · limited
- Tuesdays81% on time · p90 25 min · 69 flights · limited
- Sundays76% on time · p90 30 min · 72 flights · limited
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