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

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

Historically, 76.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 513 flights.

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

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

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%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

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%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

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

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

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 reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

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.