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Route Reliability

Columbus → Washington

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

58
A Little Dicey
WanderNerd Reliability Score
69%
Arrive within 15 minutes
17 min
Average arrival delay
3.7%
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.American Airlines71%1,705 flights
  2. 2.Southwest Airlines62%351 flights

What the data says

Morning-you made the right choice.

CMH–DCA flights departing between 6–9 AM arrived on time 89% of the time, versus 58% between 3–6 PM.

Friday is doing you no favors.

CMH–DCA flights arrived on time 75% of the time on Saturdays. On Fridays: 65%.

American Airlines runs this route best.

American Airlines arrived on time 71% of the time on this route; Southwest Airlines managed 62%.

Keep a backup plan handy.

This route was cancelled 3.7% 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
  • Mon69%(288 flights)
  • Tue75%(297 flights)
  • Wed65%(294 flights)
  • Thu67%(291 flights)
  • Fri65%(290 flights)
  • Sat75%(218 flights)
  • Sun71%(300 flights)
On-time by departure window
  • 6–9 AM89%(360 flights)
  • 9 AM–12 PM82%(342 flights)
  • 12–3 PM63%(561 flights)
  • 3–6 PM58%(464 flights)
  • 6–9 PM60%(251 flights)
On-time trend by month
73%
May

Jun 65% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%163
July 202564%159
August 202582%178
September 202582%171
October 202584%173
November 202559%160
December 202554%144
January 202663%153
February 202659%156
March 202667%176
April 202675%169
May 202673%176

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.