Skip to content
WanderNerd
Check a flight

Route Reliability

Oklahoma City → Chicago

OKC–MDW · 691 miles · Will Rogers International Airport to Chicago Midway International Airport

86
Pretty Reliable
WanderNerd Reliability Score
86%
Arrive within 15 minutes
3 min
Average arrival delay
1.3%
Cancelled
557
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 86% of the time across 557 flights. No comparison to make.

What the data says

Morning flights do better here.

OKC–MDW flights departing between 9 AM–12 PM arrived on time 100% of the time, versus 60% between 6–9 PM.

Tuesday is the weak spot.

OKC–MDW flights arrived on time 92% of the time on Mondays. On Tuesdays: 78%.

Slipping a little lately.

OKC–MDW flights arrived on time 83% of the time over the last three months in the data, compared with 88% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon92%(84 flights)
  • Tue78%(71 flights)
  • Wed88%(72 flights)
  • Thu80%(84 flights)
  • Fri90%(83 flights)
  • Sat91%(67 flights)
  • Sun81%(85 flights)
On-time by departure window
  • 3–6 AM92%(136 flights)
  • 6–9 AM95%(94 flights)
  • 9 AM–12 PM100%(27 flights)
  • 12–3 PM88%(33 flights)
  • 3–6 PM78%(246 flights)
  • 6–9 PM60%(10 flights)
On-time trend by month
74%
May

Jun 76% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%58
July 202582%60
August 202592%48
September 202589%47
October 202596%48
November 202596%27
December 202568%31
January 2026100%25
February 202696%27
March 202687%54
April 202686%59
May 202674%62

Same trip, other airports

Keep nerding

Based on 557 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.