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Route · FLL → STL · 2020–2025 BTS data

Fort Lauderdale to St. Louis

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), FLL to STL (Fort Lauderdale to St. Louis) ranks #2510 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.4%
On-time
+1.4 pts
vs US avg
62 min
Delay when late
4,913
Flights
#2510 of 4927
Corpus placement

Cancelled

1.4%

Best Month

May 2025 90%

Worst Month

Jan 2024 61%

Distance

1,057 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 82 23 0 0 WN,NK
Nov 2025 82 17 1 0 NK,WN
Oct 2025 55 9 0 0 WN,NK
Sep 2025 46 1 0 0 WN,NK
Aug 2025 58 13 0 0 WN,NK
Jul 2025 84 14 0 0 WN,NK
Jun 2025 76 19 1 0 NK,WN
May 2025 62 6 0 0 WN,NK
Apr 2025 66 13 0 0 NK,WN
Mar 2025 96 24 1 2 WN,NK
Feb 2025 89 16 1 0 WN,NK
Jan 2025 86 9 5 0 WN,NK
Dec 2024 86 10 0 0 NK,WN
Nov 2024 82 9 0 0 NK,WN
Oct 2024 58 13 0 0 WN,NK
Sep 2024 47 4 0 0 WN,NK
Aug 2024 57 14 4 0 NK,WN
Jul 2024 74 23 0 0 NK,WN
Jun 2024 68 16 3 0 NK,WN
May 2024 63 20 0 1 NK,WN
Apr 2024 76 12 1 1 NK,WN
Mar 2024 116 36 4 0 NK,WN
Feb 2024 83 30 0 0 WN
Jan 2024 82 32 4 0 WN

FLL–STL seasonal on-time pattern

Best: November (87.1%) · weakest: June (75.5%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 79.2%

Strongest calendar month

November

87.1% on-time · ~69 flights/mo

Busiest calendar month

March

~96 flights/mo avg

Weakest calendar month

June

75.5% on-time · ~66 flights/mo

Cancellation Rate

1.4%

25 of 1,774 flights

Diversion Rate

0.2%

4 of 1,774 flights

Explore origin & destination

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

FLL - Fort Lauderdale

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

FLL on-time profile

STL - St. Louis

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

STL on-time profile

Compare the two airports

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

Compare FLL vs STL

Origin-hub reliability standing

Mid-pack among FLL departures

From FLL, this corridor sits with 32 other 75–85% on-time routes out of 62 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 29 below 75%). Destination: St. Louis · fleet on-time rank #2980 of 4927.

What the Data Says About FLL to STL

4,913 tracked flights put the FLL to STL pairing (Fort Lauderdale to St. Louis) at a 80.4% on-time rate, squarely in line with the wider network. Delays that do occur run 61.6 minutes on average. Across the 1,057-mile route and its 3 carriers, the trailing 24 months show 1.4% cancelled and 0.2% diverted (1,774 flights sampled).

The monthly split is wide on this route: May 2025 posted the strongest performance at 90% on-time, while Jan 2024 came in at just 61% - a 29-point swing worth factoring into travel timing.

On the multi-year calendar, FLL–STL peaks in November at 87.1% on-time while March carries the heaviest traffic (~96 flights per month) ; the softest month is June at 75.5%, a 11.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does FLL to STL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, FLL to STL ranks #2510 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 FLL to STL? ▼
Flights from Fort Lauderdale to St. Louis have a 80.4% on-time rate based on 4,913 flights. The average delay is 61.6 minutes. The best recent month was May 2025 with 90% on-time.
What is the cancellation rate for FLL to STL? ▼
Over the last 24 months, 1.4% of flights on this route were cancelled (25 of 1,774 flights) and 0.2% were diverted.
How far is the flight from FLL to STL? ▼
The flight distance from Fort Lauderdale (FLL) to St. Louis (STL) is approximately 1,057 miles. This route is served by 3 carriers.
When is the best time to fly from FLL to STL? ▼
The best recent month for on-time performance was May 2025 (90% on-time). The worst was Jan 2024 (61% on-time). Consider booking during months with historically better performance.

Airports on this route

FLL Airport

Fort Lauderdale
STL Airport

St. Louis
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 FLL–STL data

FLL–STL is mid-pack at 80.4% on-time; month and carrier mix move more than the corridor headline.

  • Compare FLL and STL airport profiles: delay causes and top routes differ even on the same corridor. FLL airport
  • If your dates flex, November (87.1% on-time) beats June (75.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.4% 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.