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Route Reliability

Chicago → Memphis

MDW–MEM · 480 miles · Chicago Midway International Airport to Memphis International Airport

82
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
5 min
Average arrival delay
1.4%
Cancelled
662
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 81% of the time across 662 flights. No comparison to make.

What the data says

Morning flights do better here.

MDW–MEM flights departing between 9 AM–12 PM arrived on time 92% of the time, versus 55% between 9 PM–12 AM.

Mondays have been rough.

MDW–MEM flights arrived on time 87% of the time on Wednesdays and just 69% on Mondays. That gap is worth planning around.

Recent months have been rougher.

MDW–MEM flights arrived on time 80% 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
  • Mon69%(99 flights)
  • Tue83%(95 flights)
  • Wed87%(95 flights)
  • Thu80%(96 flights)
  • Fri81%(101 flights)
  • Sat84%(63 flights)
  • Sun80%(102 flights)
On-time by departure window
  • 6–9 AM90%(239 flights)
  • 9 AM–12 PM92%(104 flights)
  • 12–3 PM—(4 flights)
  • 3–6 PM77%(22 flights)
  • 6–9 PM85%(120 flights)
  • 9 PM–12 AM55%(162 flights)
On-time trend by month
90%
May

Jun 66% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202566%56
July 202558%57
August 202588%56
September 202586%55
October 202591%58
November 202579%52
December 202581%57
January 202692%37
February 202691%43
March 202669%58
April 202682%60
May 202690%62

Same trip, other airports

Keep nerding

Based on 662 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.