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

Boston, MA (BOS) to Charlotte Amalie, VI (STT) flight delay odds

71.2% of 309 official scheduled BOS-to-STT flights arrived on time; 16.5% arrived at least 30 minutes late and 4.2% 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 SIGNALHigher disruption
71.2%arrived on time
16.5%30+ min late
4.2%cancelled
309scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.4%all scheduled flights
120+ minutes late5.8%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+13.5 mincompleted flights

Which departure time was most reliable for BOS to STT?

Among qualifying BOS-to-STT departure window results, Late morning had the highest on-time rate: 82.4% of 74 flights. Early morning was lowest at 67.7% across 235 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning23567.7%19.1%5.1%
Late morning7482.4%8.1%1.4%

Which weekday was most reliable for BOS to STT?

Among qualifying BOS-to-STT weekday results, Tuesday had the highest on-time rate: 82.5% of 40 flights. Sunday was lowest at 59.5% across 37 flights.

DayFlightsOn time30+ minCancelled
Monday3762.2%13.5%10.8%
Tuesday4082.5%7.5%5.0%
Wednesday3675.0%13.9%2.8%
Thursday3773.0%21.6%0.0%
Friday4077.5%5.0%2.5%
Saturday8269.5%20.7%4.9%
Sunday3759.5%29.7%2.7%

Which airline was most reliable for BOS to STT?

Among qualifying BOS-to-STT airline results, JetBlue Airways had the highest on-time rate: 74.2% of 182 flights. Delta Air Lines was lowest at 66.9% across 127 flights.

AirlineFlightsOn time30+ minCancelled
JetBlue Airways18274.2%14.3%3.8%
Delta Air Lines12766.9%19.7%4.7%

Which month was most reliable for BOS to STT?

Among qualifying BOS-to-STT month results, April 2026 had the highest on-time rate: 86.8% of 53 flights. February 2026 was lowest at 54.4% across 57 flights.

MonthFlightsOn time30+ minCancelled
December 20253278.1%15.6%0.0%
January 20266759.7%23.9%7.5%
February 20265754.4%26.3%8.8%
March 20266277.4%14.5%3.2%
April 20265386.8%5.7%0.0%

What drove BOS to STT delay minutes?

Airline was the largest recorded BOS-to-STT delay category, accounting for 48.1% of 6,345 BTS-attributed delay minutes during July 2025–June 2026.

Airline48.1%
Late aircraft7.0%
National airspace38.8%
Weather6.2%
Security0.0%
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.