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WanderNerd

Route Reliability

Indianapolis → Chicago

INDORD · 177 miles · Indianapolis International Airport to Chicago O'Hare International Airport

73
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
12 min
Average arrival delay
2.7%
Cancelled
5,264
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines79%3,057 flights
  2. 2.American Airlines76%2,207 flights

What the data says

Morning-you made the right choice.

IND–ORD flights departing between 3–6 AM arrived on time 90% of the time, versus 56% between 9 PM–12 AM.

Skip Monday if you can.

IND–ORD flights arrived on time 82% of the time on Wednesdays. On Mondays: 73%.

United Airlines has a slight edge here.

United Airlines arrived on time 79% of the time on this route; American Airlines managed 76%.

Ticking up lately.

IND–ORD flights arrived on time 77% of the time over the last three months in the data, compared with 74% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon73%(741 flights)
  • Tue80%(730 flights)
  • Wed82%(737 flights)
  • Thu77%(733 flights)
  • Fri76%(732 flights)
  • Sat81%(690 flights)
  • Sun74%(750 flights)
On-time by departure window
  • 3–6 AM90%(195 flights)
  • 6–9 AM84%(1168 flights)
  • 9 AM–12 PM85%(1168 flights)
  • 12–3 PM78%(1092 flights)
  • 3–6 PM69%(892 flights)
  • 6–9 PM57%(580 flights)
  • 9 PM–12 AM56%(18 flights)
On-time trend by month
83%
May

Jun 82% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%415
July 202571%401
August 202581%401
September 202583%390
October 202580%415
November 202579%370
December 202570%391
January 202673%362
February 202678%402
March 202672%428
April 202677%561
May 202683%577

Based on 5,264 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.