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Route Reliability

Chicago → Houston

MDW–HOU · 937 miles · Chicago Midway International Airport to William P. Hobby Airport

78
Usually Fine
WanderNerd Reliability Score
75%
Arrive within 15 minutes
6 min
Average arrival delay
1.2%
Cancelled
1,843
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 75% of the time across 1,843 flights. No comparison to make.

What the data says

Morning-you made the right choice.

MDW–HOU flights departing between 3–6 AM arrived on time 93% of the time, versus 55% between 9 PM–12 AM.

Sunday scaries are real for this one.

MDW–HOU flights arrived on time 80% of the time on Tuesdays. On Sundays: 69%.

Recent months have been rougher.

MDW–HOU flights arrived on time 72% of the time over the last three months in the data, compared with 81% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon74%(277 flights)
  • Tue80%(253 flights)
  • Wed80%(250 flights)
  • Thu75%(271 flights)
  • Fri71%(274 flights)
  • Sat78%(238 flights)
  • Sun69%(254 flights)
On-time by departure window
  • 3–6 AM93%(120 flights)
  • 6–9 AM86%(439 flights)
  • 9 AM–12 PM81%(248 flights)
  • 12–3 PM69%(258 flights)
  • 3–6 PM73%(198 flights)
  • 6–9 PM68%(370 flights)
  • 9 PM–12 AM55%(184 flights)
On-time trend by month
65%
May

Jun 66% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202566%177
July 202563%180
August 202576%165
September 202590%161
October 202579%154
November 202577%134
December 202572%145
January 202685%129
February 202686%118
March 202674%157
April 202678%147
May 202665%150

Same trip, other airports

Keep nerding

Based on 1,843 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.