RSW to STL flight delays & on-time performance
Nonstop flights from Southwest Florida International Airport to St. Louis Lambert International Airport · 979 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at RSW or STL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Fort Myers (RSW) to St. Louis (STL) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.8% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (99% on time); around 7pm did worst (60%).
- Wednesday was the most reliable day to fly (87% on time) and Monday the least (76%).
- The largest source of delay minutes was late-arriving aircraft (62%).
Which airline is most on time from RSW to STL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 81% | 0.8% | 13 min | 6.2% | 1,008 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am95%66 flights
- 6am99%91 flights
- 7am93%155 flights
- 8am96%72 flights
- 9am94%32 flights
- 11am85%53 flights
- 12pm76%82 flights
- 1pm83%49 flights
- 2pm69%13 flights
- 3pm63%24 flights
- 4pm58%25 flights
- 5pm76%54 flights
- 6pm74%124 flights
- 7pm60%123 flights
- 8pm57%24 flights
- 9pm64%12 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%0.7% cancelled
- Tuesday82%0.8% cancelled
- Wednesday87%0.0% cancelled
- Thursday79%0.0% cancelled
- Friday86%0.7% cancelled
- Saturday79%0.7% cancelled
- Sunday79%2.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft62%
- Airline (crew, maintenance, cleaning, fueling)17%
- Air traffic control & airport congestion17%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather50%
- Air traffic control & airport congestion50%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
RSW to STL: common questions
- How often are RSW to STL flights on time?
- 81% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Fort Myers to St. Louis cancelled?
- 0.8% of scheduled flights were cancelled (8 of 1,008).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 61 min behind schedule on average, and 6.2% of flights were an hour or more late.
- How long is taxi time at RSW?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: STL to RSW — 79% on time
More flights from Fort Myers
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: RSW → STL, nonstop flights by US airlines that report to the DOT. How we calculate this.