Historical on-time performance
Columbus to Washington
322 miData through Dec 2025Source: US DOT · BTS
Flights on CMH–DCA arrive on time 66% of the time over the last 12 months.
On-time rate66%arrived within 15 min
p90 delay60 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-time64%Medianon timep9055 minCancel3.7%Flights757
- Southwest AirlinesOn-time77%Medianon timep9050 minCancel0.9%Flights213
- PSA AirlinesOn-time54%Median5 minp9095 minCancel7.8%Flights523
- Envoy AirbestOn-time84%Medianon timep9015 minCancel2.3%Flights305
Why flights run late
Delay causes
- Airline10%
- Weather10%
- Air traffic (NAS)41%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CMH → DCA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 1,480 flights
- Middays84% on time · p90 25 min · 2,120 flights
- Afternoons71% on time · p90 55 min · 1,064 flights
- Evenings70% on time · p90 60 min · 1,248 flights
- Overnights33% on time · p90 90 min · 70 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 82% on time.
- Saturdays82% on time · p90 35 min · 563 flights
- Tuesdays81% on time · p90 25 min · 919 flights
- Wednesdays80% on time · p90 35 min · 913 flights
- Sundays79% on time · p90 45 min · 873 flights
- Thursdays78% on time · p90 40 min · 897 flights
- Mondays77% on time · p90 30 min · 917 flights
- Fridays76% on time · p90 35 min · 900 flights
Advertisement
Keep exploring