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WanderNerd

Route Reliability

Detroit → Chicago

DTWMDW · 228 miles · Detroit Metropolitan Wayne County Airport to Chicago Midway International Airport

75
Usually Fine
WanderNerd Reliability Score
75%
Arrive within 15 minutes
13 min
Average arrival delay
1.4%
Cancelled
2,122
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Southwest Airlines79%1,058 flights
  2. 2.Delta Air Lines71%1,064 flights

What the data says

The 12–3 PM departure wins.

DTW–MDW flights departing between 12–3 PM arrived on time 79% of the time, versus 50% between 9 PM–12 AM.

Monday is the weak spot.

DTW–MDW flights arrived on time 80% of the time on Saturdays. On Mondays: 72%.

Southwest Airlines runs this route best.

Southwest Airlines arrived on time 79% of the time on this route; Delta Air Lines managed 71%.

Ticking up lately.

DTW–MDW flights arrived on time 72% of the time over the last three months in the data, compared with 66% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon72%(303 flights)
  • Tue77%(304 flights)
  • Wed74%(307 flights)
  • Thu76%(304 flights)
  • Fri73%(297 flights)
  • Sat80%(262 flights)
  • Sun76%(308 flights)
On-time by departure window
  • 6–9 AM78%(714 flights)
  • 9 AM–12 PM78%(18 flights)
  • 12–3 PM79%(628 flights)
  • 3–6 PM68%(212 flights)
  • 6–9 PM72%(491 flights)
  • 9 PM–12 AM50%(22 flights)
On-time trend by month
74%
May

Jun 82% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%178
July 202573%180
August 202579%183
September 202587%179
October 202587%186
November 202580%159
December 202557%166
January 202666%168
February 202676%156
March 202670%175
April 202672%175
May 202674%180

Based on 2,122 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.