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Route Reliability

St. Louis → Fort Myers

STL–RSW · 979 miles · St. Louis Lambert International Airport to Southwest Florida International Airport

84
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
6 min
Average arrival delay
0.5%
Cancelled
1,007
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 79% of the time across 1,007 flights. No comparison to make.

What the data says

Morning flights do better here.

STL–RSW flights departing between 3–6 AM arrived on time 93% of the time, versus 67% between 3–6 PM.

Sunday scaries are real for this one.

STL–RSW flights arrived on time 86% of the time on Tuesdays. On Sundays: 73%.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(146 flights)
  • Tue86%(134 flights)
  • Wed84%(130 flights)
  • Thu79%(142 flights)
  • Fri80%(144 flights)
  • Sat76%(143 flights)
  • Sun73%(159 flights)
On-time by departure window
  • 3–6 AM93%(56 flights)
  • 6–9 AM89%(265 flights)
  • 9 AM–12 PM84%(152 flights)
  • 12–3 PM74%(90 flights)
  • 3–6 PM67%(105 flights)
  • 6–9 PM72%(330 flights)
On-time trend by month
81%
May

Jun 71% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%68
July 202565%62
August 202581%63
September 202588%60
October 202577%87
November 202587%82
December 202574%85
January 202680%90
February 202682%94
March 202675%132
April 202688%90
May 202681%85

Keep nerding

Based on 1,007 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.