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

Manchester, NH (MHT) to Chicago, IL (MDW) flight delay odds

86.5% of 518 official scheduled MHT-to-MDW flights arrived on time; 7.5% 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 SIGNALLower disruption
86.5%arrived on time
7.5%30+ min late
1.0%cancelled
518scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.0%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival-2.2 mincompleted flights

Which departure time was most reliable for MHT to MDW?

Among qualifying MHT-to-MDW departure window results, Early morning had the highest on-time rate: 92.9% of 325 flights. Evening was lowest at 74.7% across 186 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning32592.9%3.1%0.9%
Evening18674.7%15.6%1.1%

Which weekday was most reliable for MHT to MDW?

Among qualifying MHT-to-MDW weekday results, Wednesday had the highest on-time rate: 93.2% of 73 flights. Monday was lowest at 79.0% across 81 flights.

DayFlightsOn time30+ minCancelled
Monday8179.0%13.6%3.7%
Tuesday7586.7%4.0%0.0%
Wednesday7393.2%4.1%0.0%
Thursday8285.4%7.3%1.2%
Friday8085.0%8.8%1.2%
Saturday5290.4%3.8%0.0%
Sunday7588.0%9.3%0.0%

Which airline was most reliable for MHT to MDW?

Only Southwest Airlines met the MHT-to-MDW airline threshold: 86.5% of 518 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines51886.5%7.5%1.0%

Which month was most reliable for MHT to MDW?

Among qualifying MHT-to-MDW month results, September 2025 had the highest on-time rate: 98.2% of 56 flights. December 2025 was lowest at 72.4% across 29 flights.

MonthFlightsOn time30+ minCancelled
July 20255775.4%14.0%1.8%
August 20255683.9%7.1%3.6%
September 20255698.2%1.8%0.0%
October 20255793.0%0.0%1.8%
November 20252892.9%3.6%3.6%
December 20252972.4%17.2%0.0%
January 20262792.6%0.0%0.0%
February 20262796.3%3.7%0.0%
March 20263193.5%6.5%0.0%
April 20264386.0%7.0%0.0%
May 20264983.7%12.2%0.0%
June 20265877.6%13.8%0.0%

What drove MHT to MDW delay minutes?

Late aircraft was the largest recorded MHT-to-MDW delay category, accounting for 50.2% of 4,401 BTS-attributed delay minutes during July 2025–June 2026.

Airline19.0%
Late aircraft50.2%
National airspace28.3%
Weather2.5%
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.