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Route · STT → MIA · 2020–2025 BTS data

Charlotte Amalie to Miami

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), STT to MIA (Charlotte Amalie to Miami) ranks #2335 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84.3%
On-time
+5.3 pts
vs US avg
123 min
Delay when late
5,391
Flights
#2335 of 4927
Corpus placement

Cancelled

0.7%

Best Month

Jun 2025 91%

Worst Month

May 2024 65%

Distance

1,107 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 89 10 0 0 AA
Nov 2025 64 13 0 0 AA
Oct 2025 61 8 0 0 AA
Sep 2025 51 10 0 1 AA
Aug 2025 60 8 3 0 AA
Jul 2025 66 9 0 1 AA
Jun 2025 64 6 0 0 AA
May 2025 66 12 0 2 AA
Apr 2025 90 15 0 1 AA
Mar 2025 93 20 0 0 AA
Feb 2025 80 9 0 0 AA
Jan 2025 85 12 0 1 AA
Dec 2024 83 13 0 0 AA
Nov 2024 59 7 0 0 AA
Oct 2024 60 13 0 0 AA
Sep 2024 53 8 0 1 AA
Aug 2024 63 20 2 2 AA
Jul 2024 66 11 0 0 AA
Jun 2024 68 22 1 1 AA
May 2024 93 33 1 0 AA
Apr 2024 90 18 0 0 AA
Mar 2024 93 29 2 1 AA
Feb 2024 87 21 3 1 AA
Jan 2024 93 20 0 0 AA

STT–MIA seasonal on-time pattern

Best: September (88.3%) · weakest: June (76.3%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 84.6%

Strongest calendar month

September

88.3% on-time · ~52 flights/mo

Busiest calendar month

March

~93 flights/mo avg

Weakest calendar month

June

76.3% on-time · ~75 flights/mo

Cancellation Rate

0.7%

12 of 1,777 flights

Diversion Rate

0.7%

12 of 1,777 flights

Explore origin & destination

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

STT - Charlotte Amalie

Full on-time, delay-cause, and seasonal performance for Charlotte Amalie, VI.

STT on-time profile

MIA - Miami

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

MIA on-time profile

Compare the two airports

See STT and MIA side by side on delays, cancellations, and reliability.

Compare STT vs MIA

Origin-hub reliability standing

Mid-pack among STT departures

From STT, this corridor sits with 6 other 75–85% on-time routes out of 9 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 2 below 75%). Destination: Miami · fleet on-time rank #1492 of 4927.

What the Data Says About STT to MIA

Bureau of Transportation Statistics records show Charlotte Amalie to Miami (STT to MIA) running a 84.3% on-time rate over 5,391 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 122.8 minutes. The 1,107-mile corridor is served by 2 carriers, and over the last 24 months 0.7% of 1,777 flights were cancelled, 0.7% diverted.

The monthly split is wide on this route: Jun 2025 posted the strongest performance at 91% on-time, while May 2024 came in at just 65% - a 26-point swing worth factoring into travel timing.

On the multi-year calendar, STT–MIA peaks in September at 88.3% on-time while March carries the heaviest traffic (~93 flights per month) ; the softest month is June at 76.3%, a 12.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does STT to MIA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, STT to MIA ranks #2335 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 STT to MIA? ▼
Flights from Charlotte Amalie to Miami have a 84.3% on-time rate based on 5,391 flights. The average delay is 122.8 minutes. The best recent month was Jun 2025 with 91% on-time.
What is the cancellation rate for STT to MIA? ▼
Over the last 24 months, 0.7% of flights on this route were cancelled (12 of 1,777 flights) and 0.7% were diverted.
How far is the flight from STT to MIA? ▼
The flight distance from Charlotte Amalie (STT) to Miami (MIA) is approximately 1,107 miles. This route is served by 2 carriers.
When is the best time to fly from STT to MIA? ▼
The best recent month for on-time performance was Jun 2025 (91% on-time). The worst was May 2024 (65% on-time). Consider booking during months with historically better performance.

Airports on this route

STT Airport

Charlotte Amalie
MIA Airport

Miami
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 STT–MIA data

STT–MIA runs 5.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare STT and MIA airport profiles: delay causes and top routes differ even on the same corridor. STT airport
  • If your dates flex, September (88.3% on-time) beats June (76.3%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84.3% 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.