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

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

70.4% of 514 official scheduled DAL-to-CMH flights arrived on time; 15.6% arrived at least 30 minutes late and 1.0% 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
70.4%arrived on time
15.6%30+ min late
1.0%cancelled
514scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.6%all scheduled flights
120+ minutes late3.7%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+13.7 mincompleted flights

Which departure time was most reliable for DAL to CMH?

Among qualifying DAL-to-CMH departure window results, Late morning had the highest on-time rate: 86.2% of 87 flights. Evening was lowest at 52.4% across 168 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning9684.4%4.2%0.0%
Late morning8786.2%6.9%0.0%
Afternoon16372.4%11.0%1.8%
Evening16852.4%31.0%1.2%

Which weekday was most reliable for DAL to CMH?

Among qualifying DAL-to-CMH weekday results, Wednesday had the highest on-time rate: 78.3% of 60 flights. Thursday was lowest at 60.8% across 79 flights.

DayFlightsOn time30+ minCancelled
Monday7969.6%16.5%0.0%
Tuesday6576.9%10.8%1.5%
Wednesday6078.3%11.7%0.0%
Thursday7960.8%19.0%0.0%
Friday8272.0%17.1%0.0%
Saturday6274.2%11.3%3.2%
Sunday8765.5%19.5%2.3%

Which airline was most reliable for DAL to CMH?

Only Southwest Airlines met the DAL-to-CMH airline threshold: 70.4% of 514 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines51470.4%15.6%1.0%

Which month was most reliable for DAL to CMH?

Among qualifying DAL-to-CMH month results, October 2025 had the highest on-time rate: 83.9% of 56 flights. July 2025 was lowest at 57.1% across 35 flights.

MonthFlightsOn time30+ minCancelled
July 20253557.1%20.0%0.0%
August 20253381.8%6.1%0.0%
September 20253083.3%13.3%0.0%
October 20255683.9%7.1%0.0%
November 20254979.6%12.2%0.0%
December 20254975.5%6.1%0.0%
January 20263863.2%13.2%5.3%
February 20262864.3%17.9%3.6%
March 20264757.4%19.1%0.0%
April 20264772.3%21.3%0.0%
May 20264868.8%16.7%4.2%
June 20265457.4%31.5%0.0%

What drove DAL to CMH delay minutes?

Late aircraft was the largest recorded DAL-to-CMH delay category, accounting for 52.5% of 8,502 BTS-attributed delay minutes during July 2025–June 2026.

Airline32.6%
Late aircraft52.5%
National airspace10.8%
Weather3.7%
Security0.4%
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.