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

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

Historically, 71.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 5,206 flights.

HISTORICAL ROUTE SIGNALVariable
71.4%arrived on time
16.7%30+ min late
3.6%cancelled
5,206scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.5%all scheduled flights
120+ minutes late4.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+13.0 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning59179.4%10.5%3.4%
Late morning87978.6%12.7%1.0%
Afternoon1,85872.9%15.0%3.3%
Evening1,28264.7%22.2%4.5%
Night59662.8%21.8%6.9%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday76365.5%18.5%5.9%
Tuesday75375.7%15.3%1.9%
Wednesday73773.3%17.4%2.7%
Thursday74872.6%14.7%3.6%
Friday73470.7%17.0%2.9%
Saturday71475.5%13.4%4.2%
Sunday75767.0%20.1%4.2%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways2,71673.9%15.6%3.4%
United Airlines75067.7%18.5%2.3%
SkyWest Airlines64964.9%18.8%6.5%
Envoy Air57679.2%12.7%1.4%
American Airlines51563.3%21.4%6.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202540963.8%23.5%2.9%
August 202541075.1%15.1%3.4%
September 202538981.7%9.0%0.8%
October 202541480.9%8.0%0.0%
November 202540468.6%16.3%8.9%
December 202538164.0%25.7%2.6%
January 202636164.8%23.8%3.3%
February 202639872.6%17.6%0.3%
March 202645462.1%22.0%5.9%
April 202659068.1%18.1%6.3%
May 202657278.5%10.1%2.6%
June 202642475.2%13.2%5.2%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline25.9%
Late aircraft43.7%
National airspace17.1%
Weather13.3%
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.