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

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

Historically, 74.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 719 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
74.3%arrived on time
11.7%30+ min late
1.1%cancelled
719scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.7%all scheduled flights
120+ minutes late1.8%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+8.5 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
Early morning10080.0%7.0%2.0%
Late morning61174.0%12.1%1.0%

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
Monday9870.4%13.3%1.0%
Tuesday9983.8%7.1%0.0%
Wednesday9781.4%6.2%0.0%
Thursday9877.6%8.2%0.0%
Friday9891.8%4.1%0.0%
Saturday12955.8%22.5%3.9%
Sunday10065.0%17.0%2.0%

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 Lines71974.3%11.7%1.1%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20256671.2%16.7%0.0%
August 20253964.1%15.4%7.7%
September 20253485.3%2.9%0.0%
October 20253582.9%5.7%0.0%
November 20253571.4%11.4%0.0%
December 20255773.7%12.3%0.0%
January 20268964.0%15.7%4.5%
February 20267481.1%8.1%0.0%
March 20269362.4%19.4%1.1%
April 20267275.0%9.7%0.0%
May 20266282.3%9.7%0.0%
June 20266390.5%3.2%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.

Airline37.9%
Late aircraft7.2%
National airspace50.8%
Weather4.1%
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.