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Route Reliability

Dallas → Columbus

DAL–CMH · 919 miles · Dallas Love Field to John Glenn Columbus International Airport

74
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
12 min
Average arrival delay
1.2%
Cancelled
495
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 72% of the time across 495 flights. No comparison to make.

What the data says

Morning flights do better here.

DAL–CMH flights departing between 9 AM–12 PM arrived on time 87% of the time, versus 52% between 6–9 PM.

Thursdays have been rough.

DAL–CMH flights arrived on time 81% of the time on Wednesdays and just 65% on Thursdays. That gap is worth planning around.

Flights on this route

The breakdown

On-time by weekday
  • Mon70%(74 flights)
  • Tue80%(59 flights)
  • Wed81%(57 flights)
  • Thu65%(74 flights)
  • Fri74%(78 flights)
  • Sat77%(60 flights)
  • Sun65%(86 flights)
On-time by departure window
  • 6–9 AM85%(73 flights)
  • 9 AM–12 PM87%(91 flights)
  • 12–3 PM69%(104 flights)
  • 3–6 PM75%(109 flights)
  • 6–9 PM52%(111 flights)
On-time trend by month
74%
May

Jun 53% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%34
July 202557%35
August 202582%33
September 202583%30
October 202584%56
November 202582%49
December 202576%49
January 202667%36
February 202667%27
March 202661%46
April 202675%47
May 202674%46

Same trip, other airports

Keep nerding

Based on 495 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.