PlainFlights

Route · MIA → STX · 2020–2025 BTS data

Miami to Christiansted

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MIA to STX (Miami to Christiansted) ranks #3092 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

78.4%
On-time
-0.6 pts
vs US avg
67 min
Delay when late
3,548
Flights
#3092 of 4927
Corpus placement

Cancelled

0.3%

Best Month

Mar 2024 84%

Worst Month

Jun 2024 54%

Distance

1,139 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 61 15 0 0 AA
Nov 2025 60 15 0 0 AA
Oct 2025 49 12 0 0 AA
Sep 2025 31 3 0 1 AA
Aug 2025 55 17 0 0 AA
Jul 2025 62 19 0 0 AA
Jun 2025 60 20 0 0 AA
May 2025 62 17 0 0 AA
Apr 2025 57 10 0 0 AA
Mar 2025 31 6 0 0 AA
Jan 2025 37 14 0 0 AA
Dec 2024 56 12 0 0 AA
Nov 2024 49 12 0 0 AA
Oct 2024 31 6 1 0 AA
Sep 2024 30 5 0 0 AA
Aug 2024 36 15 1 0 AA
Jul 2024 61 20 0 0 AA
Jun 2024 59 27 0 0 AA
May 2024 62 15 0 0 AA
Apr 2024 60 14 0 0 AA
Mar 2024 62 10 2 0 AA
Feb 2024 58 12 0 0 AA
Jan 2024 62 14 0 0 AA
Dec 2023 54 12 0 1 AA

MIA–STX seasonal on-time pattern

Best: March (86.5%) · weakest: June (66.0%)

60%65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 77.7%

Strongest calendar month

March

86.5% on-time · ~57 flights/mo

Busiest calendar month

June

~59 flights/mo avg

Weakest calendar month

June

66.0% on-time · ~59 flights/mo

Cancellation Rate

0.3%

4 of 1,245 flights

Diversion Rate

0.2%

2 of 1,245 flights

Origin-hub reliability standing

Mid-pack among MIA departures

From MIA, this corridor sits with 37 other 75–85% on-time routes out of 63 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 25 below 75%). Destination: Christiansted · fleet on-time rank #3724 of 4927.

What the Data Says About MIA to STX

The Miami to Christiansted corridor (MIA to STX) posts a 78.4% on-time rate on the lower edge of the average band, based on 3,548 tracked flights. Late flights run 66.6 minutes behind on average. 1 carrier cover the 1,139-mile route; over the last 24 months, 4 of 1,245 flights were cancelled (0.3%) and 0.2% diverted.

The monthly split is wide on this route: Mar 2024 posted the strongest performance at 84% on-time, while Jun 2024 came in at just 54% - a 30-point swing worth factoring into travel timing.

On the multi-year calendar, MIA–STX peaks in March at 86.5% on-time while June carries the heaviest traffic (~59 flights per month) ; the softest month is June at 66.0%, a 20.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MIA to STX rank among US routes by traffic?
According to PlainFlights' route traffic ranking, MIA to STX ranks #3092 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 MIA to STX?
Flights from Miami to Christiansted have a 78.4% on-time rate based on 3,548 flights. The average delay is 66.6 minutes. The best recent month was Mar 2024 with 84% on-time.
What is the cancellation rate for MIA to STX?
Over the last 24 months, 0.3% of flights on this route were cancelled (4 of 1,245 flights) and 0.2% were diverted.
How far is the flight from MIA to STX?
The flight distance from Miami (MIA) to Christiansted (STX) is approximately 1,139 miles. This route is served by 1 carrier.
When is the best time to fly from MIA to STX?
The best recent month for on-time performance was Mar 2024 (84% on-time). The worst was Jun 2024 (54% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

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

Using MIA–STX data

MIA–STX is mid-pack at 78.4% on-time; month and carrier mix move more than the corridor headline.

  • Compare MIA and STX airport profiles: delay causes and top routes differ even on the same corridor. MIA airport
  • If your dates flex, March (86.5% on-time) beats June (66.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 78.4% 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.