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Route Reliability

Indianapolis → Chicago

IND–MDW · 162 miles · Indianapolis International Airport to Chicago Midway International Airport

80
Pretty Reliable
WanderNerd Reliability Score
78%
Arrive within 15 minutes
5 min
Average arrival delay
0.8%
Cancelled
611
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 78% of the time across 611 flights. No comparison to make.

What the data says

Morning flights do better here.

IND–MDW flights departing between 6–9 AM arrived on time 90% of the time, versus 57% between 6–9 PM.

Monday is the weak spot.

IND–MDW flights arrived on time 83% of the time on Thursdays. On Mondays: 72%.

Slipping a little lately.

IND–MDW flights arrived on time 70% of the time over the last three months in the data, compared with 75% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon72%(82 flights)
  • Tue76%(90 flights)
  • Wed82%(87 flights)
  • Thu83%(84 flights)
  • Fri72%(86 flights)
  • Sat81%(88 flights)
  • Sun78%(85 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM90%(296 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM62%(13 flights)
  • 3–6 PM70%(193 flights)
  • 6–9 PM57%(98 flights)
On-time trend by month
77%
May

Aug 83% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202583%54
September 202588%60
October 202579%62
November 202590%57
December 202568%62
January 202683%69
February 202676%54
March 202664%59
April 202668%63
May 202677%62

Same trip, other airports

Keep nerding

Based on 611 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.