FlightRecord

St. Louis (STL) to Fort Myers (RSW): On-Time Performance

Data through May 2026

When you fly STL to RSW matters as much as anything else about the booking: the route swung from 91% on-time in September 2024 to just 65% in July 2025. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (85% vs 73%), which matters most in the rough months.

On-time
78%
arrived <15 min late
Avg delay
13 min
completed flights
Cancelled
1.1%
Flights/day
2.8
last 12 months
Duration
2h 26m
scheduled
Distance
979 mi

Monthly on-time trend

Monthly on-time percentage for STL to RSW flights50%75%100%June 2024: 67% on-time (62 flights)67Jun 2024July 2024: 70% on-time (70 flights)70August 2024: 88% on-time (57 flights)88September 2024: 91% on-time (55 flights)91Sep 2024October 2024: 82% on-time (78 flights)82November 2024: 85% on-time (79 flights)85December 2024: 71% on-time (77 flights)71Dec 2024January 2025: 81% on-time (91 flights)81February 2025: 82% on-time (93 flights)82March 2025: 74% on-time (118 flights)74Mar 2025April 2025: 76% on-time (92 flights)76May 2025: 70% on-time (93 flights)70June 2025: 69% on-time (68 flights)69Jun 2025July 2025: 65% on-time (62 flights)65August 2025: 80% on-time (65 flights)80September 2025: 87% on-time (60 flights)87Sep 2025October 2025: 77% on-time (87 flights)77November 2025: 87% on-time (83 flights)87December 2025: 72% on-time (87 flights)72Dec 2025January 2026: 79% on-time (92 flights)79February 2026: 80% on-time (94 flights)80March 2026: 74% on-time (133 flights)74Mar 2026April 2026: 87% on-time (91 flights)87May 2026: 80% on-time (85 flights)80

Best time to fly from STL to RSW

Aim for departures around 5 a.m. (90% on-time); avoid 4 p.m. departures (58%).

On-time percentage by scheduled departure hour, STL to RSW5 a.m.: 90% on-time (61 flights)56 a.m.: 90% on-time (29 flights)67 a.m.: 86% on-time (233 flights)78 a.m.: 86% on-time (282 flights)89 a.m.: 83% on-time (86 flights)910 a.m.: 83% on-time (167 flights)1011 a.m.: 79% on-time (43 flights)1112 p.m.: 81% on-time (32 flights)121 p.m.: 82% on-time (54 flights)132 p.m.: 69% on-time (99 flights)143 p.m.: 66% on-time (125 flights)154 p.m.: 58% on-time (61 flights)165 p.m.: 74% on-time (31 flights)176 p.m.: 83% on-time (209 flights)187 p.m.: 72% on-time (221 flights)198 p.m.: 65% on-time (234 flights)20scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday75%16 min
Tuesdaybest83%11 min
Wednesday81%9 min
Thursday77%12 min
Friday78%11 min
Saturday76%15 min
Sunday75%15 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft48%
  • Airline operations25%
  • National airspace system22%
  • Weather4%

Frequently asked questions

How often are flights from STL to RSW delayed?
22% of STL–RSW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 13 minutes.
What is the best time of day to fly from STL to RSW?
Departures around 5 a.m. have the best record (90% on-time), while departures around 4 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from STL to RSW?
The scheduled STL–RSW flight time averages 2h 26m over 979 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
How often are STL to RSW flights cancelled?
1.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
What is the worst month to fly from STL to RSW?
July 2025 was the roughest month in this dataset, with only 65% of arrivals on time. The best was September 2024 at 91%. If your dates are flexible, that 26-point gap is worth planning around.

Based on 1,972 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.