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Route Reliability

Charlotte → Chicago

CLT–MDW · 584 miles · Charlotte Douglas International Airport to Chicago Midway International Airport

75
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
10 min
Average arrival delay
1.8%
Cancelled
718
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 77% of the time across 718 flights. No comparison to make.

What the data says

Morning flights do better here.

CLT–MDW flights departing between 6–9 AM arrived on time 92% of the time, versus 62% between 6–9 PM.

Thursday is the weak spot.

CLT–MDW flights arrived on time 83% of the time on Tuesdays. On Thursdays: 69%.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(107 flights)
  • Tue83%(104 flights)
  • Wed79%(103 flights)
  • Thu69%(105 flights)
  • Fri79%(107 flights)
  • Sat78%(71 flights)
  • Sun75%(104 flights)
On-time by departure window
  • 3–6 AM87%(86 flights)
  • 6–9 AM92%(219 flights)
  • 9 AM–12 PM—(3 flights)
  • 12–3 PM64%(52 flights)
  • 3–6 PM78%(95 flights)
  • 6–9 PM62%(246 flights)
On-time trend by month
77%
May

Jun 71% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%78
July 202565%82
August 202576%58
September 202593%56
October 202581%62
November 202578%54
December 202573%59
January 202688%34
February 202678%41
March 202668%56
April 202686%59
May 202677%62

Same trip, other airports

Keep nerding

Based on 718 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.