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

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

75.5% of 2,153 official scheduled MDW-to-DAL flights arrived on time; 13.7% arrived at least 30 minutes late and 2.0% 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
75.5%arrived on time
13.7%30+ min late
2.0%cancelled
2,153scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.3%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+5.9 mincompleted flights

Which departure time was most reliable for MDW to DAL?

Among qualifying MDW-to-DAL departure window results, Early morning had the highest on-time rate: 88.5% of 652 flights. Evening was lowest at 63.3% across 613 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning65288.5%5.5%1.7%
Late morning31278.5%10.9%2.9%
Afternoon55173.5%12.0%1.6%
Evening61363.3%24.3%2.3%

Which weekday was most reliable for MDW to DAL?

Among qualifying MDW-to-DAL weekday results, Tuesday had the highest on-time rate: 80.3% of 315 flights. Sunday was lowest at 68.7% across 319 flights.

DayFlightsOn time30+ minCancelled
Monday32877.7%12.8%2.1%
Tuesday31580.3%10.8%2.2%
Wednesday30680.1%10.8%0.7%
Thursday32375.9%12.4%2.2%
Friday32774.0%14.4%2.1%
Saturday23570.6%17.4%4.7%
Sunday31968.7%18.5%0.9%

Which airline was most reliable for MDW to DAL?

Only Southwest Airlines met the MDW-to-DAL airline threshold: 75.5% of 2,153 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines2,15375.5%13.7%2.0%

Which month was most reliable for MDW to DAL?

Among qualifying MDW-to-DAL month results, February 2026 had the highest on-time rate: 84.4% of 135 flights. June 2026 was lowest at 62.1% across 195 flights.

MonthFlightsOn time30+ minCancelled
July 202520267.3%19.8%2.5%
August 202519378.8%12.4%0.5%
September 202519079.5%13.2%0.0%
October 202519580.0%11.3%1.0%
November 202517875.3%11.8%6.7%
December 202519073.7%18.4%0.0%
January 202615680.1%7.7%5.1%
February 202613584.4%6.7%0.7%
March 202617179.5%13.5%1.8%
April 202617278.5%11.0%2.3%
May 202617671.0%12.5%1.7%
June 202619562.1%22.6%2.6%

What drove MDW to DAL delay minutes?

Late aircraft was the largest recorded MDW-to-DAL delay category, accounting for 41.3% of 27,454 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.8%
Late aircraft41.3%
National airspace21.3%
Weather3.6%
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.