Historical on-time performance
Washington to Columbus
322 miData through Dec 2025Source: US DOT · BTS
Flights on DCA–CMH arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled4.3%of scheduled flights
based on 1,798 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time78%Medianon timep9030 minCancel2.5%Flights756
- PSA AirlinesOn-time60%Medianon timep9080 minCancel5.7%Flights524
- Southwest AirlinesbestOn-time85%Medianon timep9025 minCancel0.0%Flights213
- Envoy AirOn-time66%Medianon timep9055 minCancel9.2%Flights305
Why flights run late
Delay causes
- Airline20%
- Weather7%
- Air traffic (NAS)18%
- Late aircraft56%
- 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 DCA → CMH
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 69% to 85% on time.
- Middays85% on time · p90 20 min · 2,501 flights
- Mornings83% on time · p90 20 min · 567 flights
- Afternoons75% on time · p90 40 min · 1,565 flights
- Overnights73% on time · p90 50 min · 900 flights
- Evenings69% on time · p90 50 min · 449 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 81% on time.
- Tuesdays81% on time · p90 30 min · 918 flights
- Saturdays81% on time · p90 35 min · 573 flights
- Mondays81% on time · p90 25 min · 921 flights
- Wednesdays81% on time · p90 35 min · 913 flights
- Sundays78% on time · p90 40 min · 861 flights
- Thursdays77% on time · p90 40 min · 893 flights
- Fridays76% on time · p90 35 min · 903 flights
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