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

Hartford, CT (BDL) to Chicago, IL (MDW) flight delay odds

79.8% of 823 official scheduled BDL-to-MDW flights arrived on time; 11.8% arrived at least 30 minutes late and 1.6% 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
79.8%arrived on time
11.8%30+ min late
1.6%cancelled
823scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.7%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+5.5 mincompleted flights

Which departure time was most reliable for BDL to MDW?

Among qualifying BDL-to-MDW departure window results, Early morning had the highest on-time rate: 88.3% of 343 flights. Evening was lowest at 66.3% across 303 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning34388.3%5.8%2.0%
Afternoon13884.8%5.8%0.0%
Evening30366.3%21.8%2.0%

Which weekday was most reliable for BDL to MDW?

Among qualifying BDL-to-MDW weekday results, Friday had the highest on-time rate: 85.8% of 134 flights. Saturday was lowest at 75.8% across 66 flights.

DayFlightsOn time30+ minCancelled
Monday13577.0%12.6%3.0%
Tuesday12479.0%11.3%1.6%
Wednesday12080.8%11.7%0.0%
Thursday13580.0%10.4%1.5%
Friday13485.8%10.4%1.5%
Saturday6675.8%9.1%1.5%
Sunday10978.0%16.5%1.8%

Which airline was most reliable for BDL to MDW?

Only Southwest Airlines met the BDL-to-MDW airline threshold: 79.8% of 823 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines82379.8%11.8%1.6%

Which month was most reliable for BDL to MDW?

Among qualifying BDL-to-MDW month results, September 2025 had the highest on-time rate: 94.5% of 73 flights. July 2025 was lowest at 67.9% across 84 flights.

MonthFlightsOn time30+ minCancelled
July 20258467.9%15.5%3.6%
August 20257487.8%6.8%0.0%
September 20257394.5%4.1%0.0%
October 20257983.5%8.9%0.0%
November 20255682.1%12.5%3.6%
December 20256076.7%13.3%0.0%
January 20263786.5%5.4%5.4%
February 20264285.7%7.1%7.1%
March 20267979.7%19.0%1.3%
April 20267973.4%11.4%1.3%
May 20267876.9%12.8%0.0%
June 20268272.0%18.3%1.2%

What drove BDL to MDW delay minutes?

Late aircraft was the largest recorded BDL-to-MDW delay category, accounting for 43.6% of 9,662 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.1%
Late aircraft43.6%
National airspace26.2%
Weather4.1%
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.