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

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

74.0% of 5,201 official scheduled IND-to-ORD flights arrived on time; 15.1% arrived at least 30 minutes late and 3.1% 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 SIGNALVariable
74.0%arrived on time
15.1%30+ min late
3.1%cancelled
5,201scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.8%all scheduled flights
120+ minutes late4.1%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+12.0 mincompleted flights

Which departure time was most reliable for IND to ORD?

Among qualifying IND-to-ORD departure window results, Early morning had the highest on-time rate: 82.5% of 1,423 flights. Evening was lowest at 54.4% across 861 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,42382.5%8.8%2.0%
Late morning1,15481.3%10.1%2.4%
Afternoon1,73772.4%18.0%2.3%
Evening86154.4%26.2%6.7%

Which weekday was most reliable for IND to ORD?

Among qualifying IND-to-ORD weekday results, Wednesday had the highest on-time rate: 79.5% of 738 flights. Monday was lowest at 68.8% across 762 flights.

DayFlightsOn time30+ minCancelled
Monday76268.8%19.2%4.2%
Tuesday75176.0%14.1%1.7%
Wednesday73879.5%12.5%2.0%
Thursday74473.8%12.9%3.1%
Friday74372.0%16.0%2.4%
Saturday70677.9%12.0%3.8%
Sunday75770.5%18.6%4.1%

Which airline was most reliable for IND to ORD?

Among qualifying IND-to-ORD airline results, Republic Airways had the highest on-time rate: 80.6% of 2,713 flights. American Airlines was lowest at 62.8% across 514 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways2,71380.6%10.7%2.1%
United Airlines74966.0%19.6%2.4%
SkyWest Airlines64962.9%21.3%6.3%
Envoy Air57675.9%15.5%1.9%
American Airlines51462.8%23.3%6.4%

Which month was most reliable for IND to ORD?

Among qualifying IND-to-ORD month results, September 2025 had the highest on-time rate: 81.6% of 391 flights. December 2025 was lowest at 65.8% across 380 flights.

MonthFlightsOn time30+ minCancelled
July 202541069.0%21.2%2.2%
August 202540979.0%13.9%2.0%
September 202539181.6%10.5%0.5%
October 202541378.9%9.0%0.0%
November 202540470.5%13.9%8.4%
December 202538065.8%21.3%3.7%
January 202636070.0%18.9%3.1%
February 202639877.4%14.6%0.0%
March 202645467.2%18.9%4.8%
April 202658771.7%15.7%5.5%
May 202657280.1%10.8%1.9%
June 202642375.7%14.2%3.8%

What drove IND to ORD delay minutes?

National airspace was the largest recorded IND-to-ORD delay category, accounting for 38.4% of 98,558 BTS-attributed delay minutes during July 2025–June 2026.

Airline21.8%
Late aircraft27.4%
National airspace38.4%
Weather12.3%
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.