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

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

77.2% of 681 official scheduled MIA-to-STX flights arrived on time; 14.5% arrived at least 30 minutes late and 0.4% 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
77.2%arrived on time
14.5%30+ min late
0.4%cancelled
681scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.0%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+4.1 mincompleted flights

Which departure time was most reliable for MIA to STX?

Among qualifying MIA-to-STX departure window results, Late morning had the highest on-time rate: 80.4% of 255 flights. Evening was lowest at 73.2% across 97 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning25580.4%12.9%0.4%
Afternoon32976.0%15.5%0.0%
Evening9773.2%15.5%2.1%

Which weekday was most reliable for MIA to STX?

Among qualifying MIA-to-STX weekday results, Friday had the highest on-time rate: 86.9% of 99 flights. Saturday was lowest at 69.7% across 99 flights.

DayFlightsOn time30+ minCancelled
Monday10075.0%18.0%1.0%
Tuesday9479.8%12.8%0.0%
Wednesday9275.0%15.2%0.0%
Thursday9881.6%13.3%0.0%
Friday9986.9%7.1%0.0%
Saturday9969.7%16.2%2.0%
Sunday9972.7%19.2%0.0%

Which airline was most reliable for MIA to STX?

Only American Airlines met the MIA-to-STX airline threshold: 77.2% of 681 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
American Airlines68177.2%14.5%0.4%

Which month was most reliable for MIA to STX?

Among qualifying MIA-to-STX month results, September 2025 had the highest on-time rate: 87.1% of 31 flights. August 2025 was lowest at 69.1% across 55 flights.

MonthFlightsOn time30+ minCancelled
July 20256269.4%19.4%0.0%
August 20255569.1%21.8%0.0%
September 20253187.1%6.5%0.0%
October 20254975.5%16.3%0.0%
November 20256075.0%13.3%0.0%
December 20256175.4%16.4%0.0%
January 20266272.6%12.9%4.8%
February 20265680.4%8.9%0.0%
March 20266274.2%24.2%0.0%
April 20266085.0%10.0%0.0%
May 20266385.7%9.5%0.0%
June 20266081.7%11.7%0.0%

What drove MIA to STX delay minutes?

Late aircraft was the largest recorded MIA-to-STX delay category, accounting for 45.2% of 9,155 BTS-attributed delay minutes during July 2025–June 2026.

Airline34.6%
Late aircraft45.2%
National airspace16.2%
Weather3.4%
Security0.6%
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.