Route
RSW → STL
Southwest Florida International Airport St. Louis Lambert International Airport
How punctual is this route?
- On-time arrivals
- 80.2%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,010
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 61%
- Airline (crew, maintenance, cleaning) 19%
- Air traffic control & airport 16%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.7% | 60 |
| October 2025 | 86.2% | 87 |
| November 2025 | 85.5% | 83 |
| December 2025 | 69.8% | 87 |
| January 2026 | 84.8% | 92 |
| February 2026 | 73.1% | 94 |
| March 2026 | 82.0% | 134 |
| April 2026 | 83.5% | 91 |
| May 2026 | 88.2% | 85 |
| June 2026 | 70.8% | 65 |
| July 2026 | 70.8% | 65 |
| August 2026 | 72.7% | 67 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 1,010 | 80.2% | 0.9% | 67 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN3471
7% late · 60 flights
-
WN3472
53% late · 60 flights
-
WN1548
36% late · 58 flights
-
WN1714
2% late · 58 flights
-
WN3369
9% late · 58 flights
-
WN3370
14% late · 58 flights
-
WN537
26% late · 58 flights
-
WN2656
20% late · 46 flights
-
WN3278
7% late · 46 flights
-
WN4048
2% late · 40 flights
-
WN4206
34% late · 39 flights
-
WN4342
26% late · 33 flights
-
WN2260
3% late · 31 flights
-
WN3928
6% late · 31 flights
-
WN4173
10% late · 31 flights
-
WN4340
12% late · 25 flights
-
WN4344
24% late · 25 flights
-
WN2514
8% late · 24 flights
-
WN698
0% late · 23 flights
-
WN2731
26% late · 20 flights
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