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Route Reliability

Columbus → Dallas

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

78
Usually Fine
WanderNerd Reliability Score
79%
Arrive within 15 minutes
4 min
Average arrival delay
1.4%
Cancelled
494
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 79% of the time across 494 flights. No comparison to make.

What the data says

Morning flights do better here.

CMH–DAL flights departing between 3–6 AM arrived on time 100% of the time, versus 60% between 6–9 PM.

Thursdays have been rough.

CMH–DAL flights arrived on time 92% of the time on Tuesdays and just 67% on Thursdays. That gap is worth planning around.

Recent months have been rougher.

CMH–DAL flights arrived on time 78% of the time over the last three months in the data, compared with 86% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon78%(73 flights)
  • Tue92%(59 flights)
  • Wed86%(56 flights)
  • Thu67%(72 flights)
  • Fri78%(76 flights)
  • Sat85%(60 flights)
  • Sun76%(86 flights)
On-time by departure window
  • 3–6 AM100%(39 flights)
  • 6–9 AM94%(88 flights)
  • 9 AM–12 PM90%(83 flights)
  • 12–3 PM87%(55 flights)
  • 3–6 PM64%(172 flights)
  • 6–9 PM60%(45 flights)
On-time trend by month
82%
May

Jun 66% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202566%35
July 202558%33
August 202584%32
September 202577%30
October 202589%54
November 202579%48
December 202584%50
January 202694%33
February 202679%28
March 202675%47
April 202679%47
May 202682%45

Same trip, other airports

Keep nerding

Based on 494 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.