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Route Reliability

Tulsa → Chicago

TUL–MDW · 583 miles · Tulsa International Airport to Chicago Midway International Airport

91
Nerd Approved
WanderNerd Reliability Score
85%
Arrive within 15 minutes
5 min
Average arrival delay
0.5%
Cancelled
430
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 85% of the time across 430 flights. No comparison to make.

What the data says

Morning flights do better here.

TUL–MDW flights departing between 9 AM–12 PM arrived on time 98% of the time, versus 76% between 3–6 PM.

Thursday is the weak spot.

TUL–MDW flights arrived on time 89% of the time on Tuesdays. On Thursdays: 80%.

Recent months have been rougher.

TUL–MDW flights arrived on time 81% of the time over the last three months in the data, compared with 89% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon86%(65 flights)
  • Tue89%(63 flights)
  • Wed89%(63 flights)
  • Thu80%(65 flights)
  • Fri85%(65 flights)
  • Sat80%(46 flights)
  • Sun84%(61 flights)
On-time by departure window
  • 3–6 AM92%(87 flights)
  • 6–9 AM88%(69 flights)
  • 9 AM–12 PM98%(57 flights)
  • 12–3 PM80%(56 flights)
  • 3–6 PM76%(159 flights)
On-time trend by month
84%
May

Jun 90% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%48
July 202577%53
August 202591%33
September 202590%30
October 2025100%34
November 202585%26
December 202583%29
March 202670%50
April 202688%59
May 202684%61

Same trip, other airports

Keep nerding

Based on 430 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.