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Route Reliability

Chicago → Nashville

MDW–BNA · 395 miles · Chicago Midway International Airport to Nashville International Airport

84
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
5 min
Average arrival delay
1.3%
Cancelled
1,905
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 1,905 flights. No comparison to make.

What the data says

Morning flights do better here.

MDW–BNA flights departing between 3–6 AM arrived on time 96% of the time, versus 62% between 9 PM–12 AM.

Sunday scaries are real for this one.

MDW–BNA flights arrived on time 87% of the time on Tuesdays. On Sundays: 78%.

Recent months have been rougher.

MDW–BNA flights arrived on time 80% of the time over the last three months in the data, compared with 87% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon80%(283 flights)
  • Tue87%(270 flights)
  • Wed84%(266 flights)
  • Thu80%(288 flights)
  • Fri80%(288 flights)
  • Sat82%(188 flights)
  • Sun78%(296 flights)
On-time by departure window
  • 3–6 AM96%(192 flights)
  • 6–9 AM93%(351 flights)
  • 9 AM–12 PM84%(298 flights)
  • 12–3 PM84%(248 flights)
  • 3–6 PM74%(291 flights)
  • 6–9 PM74%(322 flights)
  • 9 PM–12 AM62%(177 flights)
On-time trend by month
75%
May

Jun 77% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%169
July 202570%172
August 202581%167
September 202593%159
October 202579%169
November 202584%152
December 202582%152
January 202689%125
February 202690%119
March 202679%160
April 202685%163
May 202675%172

Same trip, other airports

Keep nerding

Based on 1,905 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.