Route
STL → FLL
St. Louis Lambert International Airport Fort Lauderdale Hollywood International Airport
Alerts at STL and FLL
-
Advisory Coastal Flood Statement FLL
COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING
Weather
How punctual is this route?
- On-time arrivals
- 74.1%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 824
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 56%
- Air traffic control & airport 22%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 4%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.7% | 46 |
| October 2025 | 72.7% | 55 |
| November 2025 | 76.5% | 82 |
| December 2025 | 68.8% | 81 |
| January 2026 | 67.5% | 77 |
| February 2026 | 84.6% | 79 |
| March 2026 | 68.7% | 85 |
| April 2026 | 77.4% | 62 |
| May 2026 | 77.6% | 67 |
| June 2026 | 65.2% | 66 |
| July 2026 | 73.2% | 71 |
| August 2026 | 76.0% | 53 |
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 | 775 | 74.5% | 0.6% | 56 min |
| NK | 45 | 67.4% | 2.2% | 82 min |
| Frontier Airlines | 4 | 75.0% | 0.0% | 341 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN3756
28% late · 64 flights
-
WN807
22% late · 64 flights
-
WN3918
42% late · 60 flights
-
WN4938
23% late · 60 flights
-
WN1141
21% late · 58 flights
-
WN3772
12% late · 58 flights
-
WN3368
19% late · 47 flights
-
WN2685
30% late · 40 flights
-
WN3461
24% late · 33 flights
-
WN3805
19% late · 31 flights
-
WN3080
33% late · 30 flights
-
WN3752
50% late · 25 flights
-
NK1637
10% late · 21 flights
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