BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
STX→MIA

Christiansted, VI (STX) to Miami, FL (MIA) flight delay odds

79.7% of 680 official scheduled STX-to-MIA flights arrived on time; 13.7% arrived at least 30 minutes late and 0.7% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
79.7%arrived on time
13.7%30+ min late
0.7%cancelled
680scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.1%all scheduled flights
120+ minutes late3.2%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+7.9 mincompleted flights

Which departure time was most reliable for STX to MIA?

Among qualifying STX-to-MIA departure window results, Late morning had the highest on-time rate: 93.0% of 43 flights. Afternoon was lowest at 76.2% across 365 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning5587.3%9.1%3.6%
Late morning4393.0%7.0%0.0%
Afternoon36576.2%15.3%0.8%
Evening21781.1%13.4%0.0%

Which weekday was most reliable for STX to MIA?

Among qualifying STX-to-MIA weekday results, Friday had the highest on-time rate: 85.9% of 99 flights. Saturday was lowest at 73.7% across 99 flights.

DayFlightsOn time30+ minCancelled
Monday10076.0%15.0%0.0%
Tuesday9477.7%17.0%1.1%
Wednesday9084.4%10.0%0.0%
Thursday9984.8%10.1%0.0%
Friday9985.9%13.1%0.0%
Saturday9973.7%17.2%2.0%
Sunday9975.8%13.1%2.0%

Which airline was most reliable for STX to MIA?

Only American Airlines met the STX-to-MIA airline threshold: 79.7% of 680 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
American Airlines68079.7%13.7%0.7%

Which month was most reliable for STX to MIA?

Among qualifying STX-to-MIA month results, June 2026 had the highest on-time rate: 88.3% of 60 flights. August 2025 was lowest at 56.4% across 55 flights.

MonthFlightsOn time30+ minCancelled
July 20256282.3%14.5%0.0%
August 20255556.4%25.5%0.0%
September 20253174.2%16.1%0.0%
October 20254973.5%22.4%0.0%
November 20256083.3%8.3%0.0%
December 20256086.7%8.3%0.0%
January 20266282.3%9.7%4.8%
February 20265782.5%12.3%3.5%
March 20266272.6%19.4%0.0%
April 20266081.7%10.0%0.0%
May 20266287.1%11.3%0.0%
June 20266088.3%10.0%0.0%

What drove STX to MIA delay minutes?

Late aircraft was the largest recorded STX-to-MIA delay category, accounting for 49.7% of 14,513 BTS-attributed delay minutes during July 2025–June 2026.

Airline32.4%
Late aircraft49.7%
National airspace6.2%
Weather0.1%
Security11.5%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.