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Route Reliability

Washington → Columbus

DCA–CMH · 323 miles · Ronald Reagan Washington National Airport to John Glenn Columbus International Airport

70
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
10 min
Average arrival delay
3.6%
Cancelled
2,056
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Southwest Airlines82%351 flights
  2. 2.American Airlines76%1,705 flights

What the data says

Morning-you made the right choice.

DCA–CMH flights departing between 6–9 AM arrived on time 88% of the time, versus 67% between 3–6 PM.

Friday is doing you no favors.

DCA–CMH flights arrived on time 84% of the time on Saturdays. On Fridays: 73%.

Southwest Airlines has a slight edge here.

Southwest Airlines arrived on time 82% of the time on this route; American Airlines managed 76%.

Keep a backup plan handy.

This route was cancelled 3.6% of the time. Typical for U.S. flights is around 1–2%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon76%(291 flights)
  • Tue83%(296 flights)
  • Wed75%(291 flights)
  • Thu76%(292 flights)
  • Fri73%(290 flights)
  • Sat84%(225 flights)
  • Sun76%(294 flights)
On-time by departure window
  • 6–9 AM88%(332 flights)
  • 9 AM–12 PM85%(401 flights)
  • 12–3 PM74%(628 flights)
  • 3–6 PM67%(285 flights)
  • 6–9 PM71%(203 flights)
  • 9 PM–12 AM75%(130 flights)
On-time trend by month
87%
May

Jun 60% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%166
July 202571%162
August 202579%177
September 202589%169
October 202583%173
November 202574%160
December 202567%143
January 202678%155
February 202674%155
March 202678%175
April 202685%169
May 202687%175

Same trip, other airports

Keep nerding

Based on 2,056 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.