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Route Reliability

Dallas → Chicago

DAL–MDW · 793 miles · Dallas Love Field to Chicago Midway International Airport

69
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
13 min
Average arrival delay
1.8%
Cancelled
2,156
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 72% of the time across 2,156 flights. No comparison to make.

What the data says

Morning flights do better here.

DAL–MDW flights departing between 6–9 AM arrived on time 92% of the time, versus 55% between 6–9 PM.

Thursday is the weak spot.

DAL–MDW flights arrived on time 79% of the time on Wednesdays. On Thursdays: 67%.

Recent months have been rougher.

DAL–MDW flights arrived on time 66% of the time over the last three months in the data, compared with 79% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon69%(324 flights)
  • Tue78%(304 flights)
  • Wed79%(305 flights)
  • Thu67%(318 flights)
  • Fri71%(318 flights)
  • Sat72%(226 flights)
  • Sun68%(311 flights)
On-time by departure window
  • 6–9 AM92%(484 flights)
  • 9 AM–12 PM78%(364 flights)
  • 12–3 PM71%(401 flights)
  • 3–6 PM63%(287 flights)
  • 6–9 PM55%(390 flights)
  • 9 PM–12 AM60%(180 flights)
On-time trend by month
65%
May

Jun 64% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%193
July 202566%196
August 202572%192
September 202578%190
October 202580%194
November 202574%166
December 202574%189
January 202678%147
February 202684%134
March 202662%168
April 202671%168
May 202665%169

Same trip, other airports

Keep nerding

Based on 2,156 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.