BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
CMH→DAL

Columbus, OH (CMH) to Dallas, TX (DAL) flight delay odds

76.4% of 513 official scheduled CMH-to-DAL flights arrived on time; 12.5% arrived at least 30 minutes late and 1.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
76.4%arrived on time
12.5%30+ min late
1.4%cancelled
513scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.5%all scheduled flights
120+ minutes late1.2%all scheduled flights
Diverted1.2%did not reach as scheduled
Average arrival+3.9 mincompleted flights

Which departure time was most reliable for CMH to DAL?

Among qualifying CMH-to-DAL departure window results, Early morning had the highest on-time rate: 92.1% of 152 flights. Evening was lowest at 57.9% across 107 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning15292.1%3.9%0.7%
Late morning8986.5%4.5%3.4%
Afternoon16568.5%15.8%0.6%
Evening10757.9%26.2%1.9%

Which weekday was most reliable for CMH to DAL?

Among qualifying CMH-to-DAL weekday results, Wednesday had the highest on-time rate: 85.0% of 60 flights. Thursday was lowest at 67.5% across 77 flights.

DayFlightsOn time30+ minCancelled
Monday7978.5%13.9%1.3%
Tuesday6683.3%6.1%1.5%
Wednesday6085.0%6.7%0.0%
Thursday7767.5%14.3%1.3%
Friday8175.3%16.0%1.2%
Saturday6280.6%8.1%1.6%
Sunday8869.3%18.2%2.3%

Which airline was most reliable for CMH to DAL?

Only Southwest Airlines met the CMH-to-DAL airline threshold: 76.4% of 513 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines51376.4%12.5%1.4%

Which month was most reliable for CMH to DAL?

Among qualifying CMH-to-DAL month results, January 2026 had the highest on-time rate: 86.1% of 36 flights. July 2025 was lowest at 51.4% across 35 flights.

MonthFlightsOn time30+ minCancelled
July 20253551.4%31.4%0.0%
August 20253381.8%12.1%0.0%
September 20253076.7%16.7%0.0%
October 20255683.9%5.4%1.8%
November 20254975.5%16.3%2.0%
December 20255084.0%6.0%0.0%
January 20263686.1%5.6%8.3%
February 20262878.6%21.4%0.0%
March 20264772.3%10.6%0.0%
April 20264776.6%14.9%0.0%
May 20264877.1%6.2%4.2%
June 20265470.4%13.0%0.0%

What drove CMH to DAL delay minutes?

Late aircraft was the largest recorded CMH-to-DAL delay category, accounting for 45.3% of 5,171 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.0%
Late aircraft45.3%
National airspace22.7%
Weather3.0%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.