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

Charlotte Amalie, VI (STT) to Atlanta, GA (ATL) flight delay odds

Historically, 79.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 719 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
79.8%arrived on time
10.6%30+ min late
2.1%cancelled
719scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.5%all scheduled flights
120+ minutes late3.6%all scheduled flights
Diverted2.2%did not reach as scheduled
Average arrival+1.3 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Afternoon71179.7%10.5%2.1%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday9877.6%14.3%2.0%
Tuesday9986.9%6.1%0.0%
Wednesday9783.5%10.3%2.1%
Thursday9886.7%6.1%0.0%
Friday9880.6%4.1%0.0%
Saturday12974.4%17.1%4.7%
Sunday10071.0%14.0%5.0%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines71979.8%10.6%2.1%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 20256686.4%6.1%0.0%
August 20253961.5%15.4%7.7%
September 20253494.1%2.9%0.0%
October 20253588.6%5.7%0.0%
November 20253580.0%14.3%2.9%
December 20255775.4%14.0%1.8%
January 20268970.8%16.9%5.6%
February 20267475.7%14.9%2.7%
March 20269378.5%11.8%3.2%
April 20267286.1%5.6%0.0%
May 20266275.8%9.7%0.0%
June 20266392.1%4.8%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline51.7%
Late aircraft37.9%
National airspace8.5%
Weather2.0%
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.