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Route Reliability

Austin → Chicago

AUS–MDW · 972 miles · Austin–Bergstrom International Airport to Chicago Midway International Airport

82
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
9 min
Average arrival delay
1.0%
Cancelled
1,351
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 79% of the time across 1,351 flights. No comparison to make.

What the data says

Morning flights do better here.

AUS–MDW flights departing between 3–6 AM arrived on time 95% of the time, versus 60% between 3–6 PM.

Sunday scaries are real for this one.

AUS–MDW flights arrived on time 84% of the time on Saturdays. On Sundays: 71%.

Recent months have been rougher.

AUS–MDW flights arrived on time 73% of the time over the last three months in the data, compared with 83% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon78%(206 flights)
  • Tue80%(186 flights)
  • Wed82%(186 flights)
  • Thu81%(207 flights)
  • Fri81%(212 flights)
  • Sat84%(135 flights)
  • Sun71%(200 flights)
On-time by departure window
  • 3–6 AM95%(95 flights)
  • 6–9 AM91%(256 flights)
  • 9 AM–12 PM87%(265 flights)
  • 12–3 PM81%(260 flights)
  • 3–6 PM60%(222 flights)
  • 6–9 PM65%(105 flights)
  • 9 PM–12 AM69%(129 flights)
On-time trend by month
77%
May

Jun 75% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%126
July 202571%128
August 202583%104
September 202589%104
October 202584%136
November 202582%100
December 202579%104
January 202685%87
February 202686%86
March 202661%103
April 202682%123
May 202677%131

Same trip, other airports

Keep nerding

Based on 1,351 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.