Historical on-time performance
Columbus to Baltimore
337 miData through May 2026Source: US DOT · BTS
Flights on CMH–BWI arrive on time 86% of the time over the last 12 months.
On-time rate86%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled1.9%of scheduled flights
based on 1,055 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time86%Medianon timep9020 minCancel1.9%Flights1,055
Why flights run late
Delay causes
- Airline26%
- Weather2%
- Air traffic (NAS)23%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline10%
- Weather90%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 20 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 CMH → BWI
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 — 96% on time.
- Mornings96% on time · p90 on time · 1,279 flights
- Middays91% on time · p90 10 min · 818 flights
- Afternoons82% on time · p90 25 min · 559 flights
- Evenings70% on time · p90 55 min · 525 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 91% on time.
- Tuesdays91% on time · p90 10 min · 457 flights
- Wednesdays90% on time · p90 10 min · 455 flights
- Mondays88% on time · p90 15 min · 476 flights
- Fridays87% on time · p90 15 min · 478 flights
- Saturdays87% on time · p90 25 min · 425 flights
- Thursdays87% on time · p90 20 min · 475 flights
- Sundays83% on time · p90 25 min · 483 flights
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