PlainFlights

Route · STL → FLL · 2020–2025 BTS data

St. Louis to Fort Lauderdale

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), STL to FLL (St. Louis to Fort Lauderdale) ranks #2484 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.2%
On-time
+1.2 pts
vs US avg
62 min
Delay when late
4,989
Flights
#2484 of 4927
Corpus placement

Cancelled

1.2%

Best Month

Nov 2024 90%

Worst Month

Jul 2024 59%

Distance

1,057 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 81 25 1 0 WN,NK
Nov 2025 82 19 1 0 NK,WN
Oct 2025 55 15 0 0 WN,NK
Sep 2025 46 6 0 1 WN,NK
Aug 2025 57 12 0 0 WN,NK
Jul 2025 84 26 0 0 WN,NK
Jun 2025 76 16 1 0 NK,WN
May 2025 62 13 0 0 WN,NK
Apr 2025 66 14 0 0 NK,WN
Mar 2025 96 20 1 1 WN,NK
Feb 2025 89 11 0 0 WN,NK
Jan 2025 86 14 6 0 WN,NK
Dec 2024 86 17 1 0 NK,WN
Nov 2024 82 8 0 0 NK,WN
Oct 2024 58 10 0 0 WN,NK
Sep 2024 47 6 0 0 WN,NK
Aug 2024 57 20 2 0 NK,WN
Jul 2024 74 30 0 0 NK,WN
Jun 2024 68 21 3 0 NK,WN
May 2024 63 23 0 0 NK,WN
Apr 2024 76 12 2 0 NK,WN
Mar 2024 116 47 2 0 NK,WN
Feb 2024 83 17 0 2 WN
Jan 2024 82 30 1 0 WN

STL–FLL seasonal on-time pattern

Best: November (88.2%) · weakest: March (74.3%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 80.1%

Strongest calendar month

November

88.2% on-time · ~71 flights/mo

Busiest calendar month

March

~94 flights/mo avg

Weakest calendar month

March

74.3% on-time · ~94 flights/mo

Cancellation Rate

1.2%

21 of 1,772 flights

Diversion Rate

0.2%

4 of 1,772 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

STL - St. Louis

Full on-time, delay-cause, and seasonal performance for St. Louis, MO.

STL on-time profile

FLL - Fort Lauderdale

Full on-time, delay-cause, and seasonal performance for Fort Lauderdale, FL.

FLL on-time profile

Compare the two airports

See STL and FLL side by side on delays, cancellations, and reliability.

Compare STL vs FLL

Origin-hub reliability standing

Mid-pack among STL departures

From STL, this corridor sits with 45 other 75–85% on-time routes out of 51 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 1 below 75%). Destination: Fort Lauderdale · fleet on-time rank #3084 of 4927.

What the Data Says About STL to FLL

4,989 tracked flights put the STL to FLL pairing (St. Louis to Fort Lauderdale) at a 80.2% on-time rate, squarely in line with the wider network. Delays that do occur run 61.9 minutes on average. Across the 1,057-mile route and its 3 carriers, the trailing 24 months show 1.2% cancelled and 0.2% diverted (1,772 flights sampled).

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 90% on-time, while Jul 2024 came in at just 59% - a 31-point swing worth factoring into travel timing.

On the multi-year calendar, STL–FLL peaks in November at 88.2% on-time while March carries the heaviest traffic (~94 flights per month) ; the softest month is March at 74.3%, a 13.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does STL to FLL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, STL to FLL ranks #2484 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from STL to FLL? ▼
Flights from St. Louis to Fort Lauderdale have a 80.2% on-time rate based on 4,989 flights. The average delay is 61.9 minutes. The best recent month was Nov 2024 with 90% on-time.
What is the cancellation rate for STL to FLL? ▼
Over the last 24 months, 1.2% of flights on this route were cancelled (21 of 1,772 flights) and 0.2% were diverted.
How far is the flight from STL to FLL? ▼
The flight distance from St. Louis (STL) to Fort Lauderdale (FLL) is approximately 1,057 miles. This route is served by 3 carriers.
When is the best time to fly from STL to FLL? ▼
The best recent month for on-time performance was Nov 2024 (90% on-time). The worst was Jul 2024 (59% on-time). Consider booking during months with historically better performance.

Airports on this route

STL Airport

St. Louis
FLL Airport

Fort Lauderdale
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using STL–FLL data

STL–FLL is mid-pack at 80.2% on-time; month and carrier mix move more than the corridor headline.

  • Compare STL and FLL airport profiles: delay causes and top routes differ even on the same corridor. STL airport
  • If your dates flex, November (88.2% on-time) beats March (74.3%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.2% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.