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Route Reliability

St. Louis → Pensacola

STL–PNS · 598 miles · St. Louis Lambert International Airport to Pensacola International Airport

96
Nerd Approved
WanderNerd Reliability Score
88%
Arrive within 15 minutes
1 min
Average arrival delay
0%
Cancelled
224
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 88% of the time across 224 flights. No comparison to make.

What the data says

Morning-you made the right choice.

STL–PNS flights departing between 6–9 AM arrived on time 94% of the time, versus 72% between 3–6 PM.

Saturdays have been rough.

STL–PNS flights arrived on time 100% of the time on Tuesdays and just 80% on Saturdays. That gap is worth planning around.

It basically never cancels.

Out of 224 scheduled flights, only 0.0% were cancelled.

Slipping a little lately.

STL–PNS flights arrived on time 86% of the time over the last three months in the data, compared with 92% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon92%(26 flights)
  • Tue100%(25 flights)
  • Wed92%(25 flights)
  • Thu96%(27 flights)
  • Fri89%(27 flights)
  • Sat80%(49 flights)
  • Sun80%(45 flights)
On-time by departure window
  • 6–9 AM94%(82 flights)
  • 9 AM–12 PM89%(72 flights)
  • 12–3 PM87%(38 flights)
  • 3–6 PM72%(32 flights)
On-time trend by month
90%
May

Jun 83% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%35
July 202587%39
August 202597%33
September 202587%30
October 202594%31
March 202685%27
April 202683%12
May 202690%10

Keep nerding

Based on 224 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.