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

Charlotte Amalie, VI (STT) to Miami, FL (MIA) flight delay odds

81.3% of 941 official scheduled STT-to-MIA flights arrived on time; 11.9% arrived at least 30 minutes late and 1.1% 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 SIGNALLower disruption
81.3%arrived on time
11.9%30+ min late
1.1%cancelled
941scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.4%all scheduled flights
120+ minutes late3.0%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+5.9 mincompleted flights

Which departure time was most reliable for STT to MIA?

Among qualifying STT-to-MIA departure window results, Evening had the highest on-time rate: 82.6% of 305 flights. Afternoon was lowest at 80.7% across 636 flights.

Departure windowFlightsOn time30+ minCancelled
Afternoon63680.7%12.1%1.3%
Evening30582.6%11.5%0.7%

Which weekday was most reliable for STT to MIA?

Among qualifying STT-to-MIA weekday results, Wednesday had the highest on-time rate: 93.3% of 120 flights. Saturday was lowest at 71.0% across 155 flights.

DayFlightsOn time30+ minCancelled
Monday13674.3%19.9%0.0%
Tuesday12382.9%7.3%2.4%
Wednesday12093.3%5.0%0.0%
Thursday13591.1%5.9%0.0%
Friday13684.6%8.8%0.7%
Saturday15571.0%17.4%3.9%
Sunday13675.0%16.9%0.0%

Which airline was most reliable for STT to MIA?

Only American Airlines met the STT-to-MIA airline threshold: 81.3% of 941 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
American Airlines94181.3%11.9%1.1%

Which month was most reliable for STT to MIA?

Among qualifying STT-to-MIA month results, May 2026 had the highest on-time rate: 94.0% of 84 flights. January 2026 was lowest at 69.4% across 85 flights.

MonthFlightsOn time30+ minCancelled
July 20256684.8%7.6%0.0%
August 20256081.7%8.3%5.0%
September 20255178.4%11.8%0.0%
October 20256186.9%8.2%0.0%
November 20256479.7%10.9%0.0%
December 20258988.8%7.9%0.0%
January 20268569.4%22.4%4.7%
February 20269777.3%15.5%0.0%
March 202612471.8%21.0%1.6%
April 20269682.3%11.5%1.0%
May 20268494.0%1.2%0.0%
June 20266487.5%7.8%0.0%

What drove STT to MIA delay minutes?

Airline was the largest recorded STT-to-MIA delay category, accounting for 51.2% of 19,435 BTS-attributed delay minutes during July 2025–June 2026.

Airline51.2%
Late aircraft38.2%
National airspace9.7%
Weather0.6%
Security0.4%
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.