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

Chicago, IL (ORD) to Dallas, TX (DAL) flight delay odds

70.1% of 539 official scheduled ORD-to-DAL flights arrived on time; 18.7% arrived at least 30 minutes late and 1.1% 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
70.1%arrived on time
18.7%30+ min late
1.1%cancelled
539scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.6%all scheduled flights
120+ minutes late4.3%all scheduled flights
Diverted1.3%did not reach as scheduled
Average arrival+13.5 mincompleted flights

Which departure time was most reliable for ORD to DAL?

Among qualifying ORD-to-DAL departure window results, Early morning had the highest on-time rate: 91.9% of 123 flights. Evening was lowest at 58.3% across 96 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning12391.9%2.4%0.8%
Afternoon30165.1%21.6%1.0%
Evening9658.3%30.2%1.0%

Which weekday was most reliable for ORD to DAL?

Among qualifying ORD-to-DAL weekday results, Tuesday had the highest on-time rate: 73.7% of 76 flights. Sunday was lowest at 64.2% across 81 flights.

DayFlightsOn time30+ minCancelled
Monday8272.0%19.5%1.2%
Tuesday7673.7%18.4%1.3%
Wednesday7667.1%15.8%1.3%
Thursday8371.1%14.5%1.2%
Friday8372.3%19.3%1.2%
Saturday5870.7%17.2%0.0%
Sunday8164.2%25.9%1.2%

Which airline was most reliable for ORD to DAL?

Only Southwest Airlines met the ORD-to-DAL airline threshold: 70.1% of 539 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines53970.1%18.7%1.1%

Which month was most reliable for ORD to DAL?

Among qualifying ORD-to-DAL month results, October 2025 had the highest on-time rate: 86.2% of 87 flights. March 2026 was lowest at 45.2% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20258959.6%29.2%0.0%
August 20257581.3%10.7%1.3%
September 20257379.5%11.0%1.4%
October 20258786.2%4.6%0.0%
November 20253063.3%30.0%0.0%
December 20253164.5%19.4%0.0%
January 20263177.4%19.4%3.2%
February 20262875.0%7.1%0.0%
March 20263145.2%41.9%3.2%
April 20263056.7%23.3%3.3%
May 20263148.4%32.3%3.2%

What drove ORD to DAL delay minutes?

Late aircraft was the largest recorded ORD-to-DAL delay category, accounting for 64.1% of 10,845 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.1%
Late aircraft64.1%
National airspace13.9%
Weather1.8%
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.