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Route Reliability

St. Louis → Fort Lauderdale

STL–FLL · 1,057 miles · St. Louis Lambert International Airport to Fort Lauderdale–Hollywood International Airport

80
Pretty Reliable
WanderNerd Reliability Score
76%
Arrive within 15 minutes
10 min
Average arrival delay
0.6%
Cancelled
851
Flights in the data

Data through May 2026.

Airlines on this route

  • Southwest Airlines76% on time · 764 flights
  • Spirit Airlines74% on time · 83 flights
  • Frontier Airlines75% on time · 4 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning flights do better here.

STL–FLL flights departing between 3–6 AM arrived on time 90% of the time, versus 62% between 12–3 PM.

Sunday scaries are real for this one.

STL–FLL flights arrived on time 89% of the time on Wednesdays and just 71% on Sundays. That gap is worth planning around.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(101 flights)
  • Tue80%(91 flights)
  • Wed89%(82 flights)
  • Thu76%(123 flights)
  • Fri71%(103 flights)
  • Sat74%(173 flights)
  • Sun71%(171 flights)
On-time by departure window
  • 3–6 AM90%(20 flights)
  • 6–9 AM90%(212 flights)
  • 9 AM–12 PM76%(144 flights)
  • 12–3 PM62%(109 flights)
  • 3–6 PM78%(109 flights)
  • 6–9 PM68%(250 flights)
On-time trend by month
79%
May

Jun 79% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%75
July 202569%84
August 202579%57
September 202587%45
October 202576%55
November 202577%81
December 202569%80
January 202669%77
February 202686%78
March 202671%83
April 202677%62
May 202679%67

Same trip, other airports

Keep nerding

Based on 851 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.