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

Indianapolis, IN (IND) to Chicago, IL (MDW) flight delay odds

75.7% of 671 official scheduled IND-to-MDW flights arrived on time; 11.2% 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 SIGNALGenerally reliable
75.7%arrived on time
11.2%30+ min late
1.0%cancelled
671scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.7%all scheduled flights
120+ minutes late1.3%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+4.8 mincompleted flights

Which departure time was most reliable for IND to MDW?

Among qualifying IND-to-MDW departure window results, Early morning had the highest on-time rate: 87.6% of 331 flights. Evening was lowest at 59.1% across 235 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning33187.6%6.3%0.9%
Afternoon10475.0%11.5%1.0%
Evening23559.1%17.9%1.3%

Which weekday was most reliable for IND to MDW?

Among qualifying IND-to-MDW weekday results, Thursday had the highest on-time rate: 80.9% of 94 flights. Monday was lowest at 69.5% across 95 flights.

DayFlightsOn time30+ minCancelled
Monday9569.5%8.4%1.1%
Tuesday10077.0%16.0%0.0%
Wednesday9578.9%7.4%1.1%
Thursday9480.9%10.6%1.1%
Friday9572.6%10.5%0.0%
Saturday9776.3%10.3%2.1%
Sunday9574.7%14.7%2.1%

Which airline was most reliable for IND to MDW?

Only Southwest Airlines met the IND-to-MDW airline threshold: 75.7% of 671 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines67175.7%11.2%1.0%

Which month was most reliable for IND to MDW?

Among qualifying IND-to-MDW month results, September 2025 had the highest on-time rate: 88.3% of 60 flights. March 2026 was lowest at 61.3% across 62 flights.

MonthFlightsOn time30+ minCancelled
August 20255483.3%5.6%0.0%
September 20256088.3%6.7%0.0%
October 20256277.4%11.3%0.0%
November 20256085.0%8.3%5.0%
December 20256267.7%14.5%0.0%
January 20266978.3%8.7%0.0%
February 20265673.2%3.6%0.0%
March 20266261.3%25.8%3.2%
April 20266465.6%14.1%0.0%
May 20266274.2%11.3%0.0%
June 20266080.0%11.7%3.3%

What drove IND to MDW delay minutes?

Late aircraft was the largest recorded IND-to-MDW delay category, accounting for 42.9% of 6,706 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.8%
Late aircraft42.9%
National airspace32.0%
Weather0.2%
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.