ON TIMEBOARD

STT → ATL on time

Cyril E. King (Charlotte Amalie, VI) to Atlanta Hartsfield-Jackson (Atlanta, GA). Every scheduled flight, September 2025 to August 2026.

On time
79%
arrived < 15 min late
Cancelled
1.9%
719 flights
Typical arrival
−12 min
median vs schedule
When late
+78 min
average delay
Flights / day
2
1 airline

79% of flights from Charlotte Amalie to Atlanta arrived on time over the past 12 months. That is about the typical U.S. route. The 3 p.m. departures ran on time 80% of the time; the 1 p.m. ones 74%. 10% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for STT → ATL: when a flight was late, it was under 45 minutes late 53% of the time. About 1 in 18 flights landed an hour or more late, and 1 in 72 three hours or more; 1.9% were cancelled outright.

Share of all 719 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines71979%1.9%−12 min5.7%+78 minDelta Air Lines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at STT). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%noon departures: too few flights (36 flights)12p1 p.m. departures: 74% on time (219 flights)741p2 p.m. departures: too few flights (80 flights)2p3 p.m. departures: 80% on time (289 flights)803p4 p.m. departures: too few flights (86 flights)4p
STT → ATL, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On STT → ATL, each airline's last flight of the day was cancelled 1.2% of the time, against 2.5% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 0.8% of the time (earlier flights: 2.0%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Delta Air Lines3:29 p.m.1.2%0.8%2.5%first flight 1:21 p.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: September (92%). Worst: August (70%).

40%70%100%Jan: 74% on time (224 flights)74JanFeb: 72% on time (196 flights)72FebMar: 71% on time (227 flights)71MarApr: 79% on time (182 flights)79AprMay: 75% on time (187 flights)75MayJun: 89% on time (192 flights)89JunJul: 73% on time (198 flights)73JulAug: 70% on time (118 flights)70AugSep: 92% on time (103 flights)92SepOct: 90% on time (105 flights)90OctNov: 88% on time (104 flights)88NovDec: 75% on time (165 flights)75Dec

By day of week

DayFlightsOn timeCancelled
Monday99——
Tuesday97——
Wednesday97——
Thursday98——
Friday98——
Saturday13072%4.6%
Sunday10069%4.0%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 45%Late inbound plane 42%Air traffic & airport (NAS) 10%Severe weather 3%

Cancellations: airline 7 · weather 3 · security 3 · air traffic/airport 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 182312:49 p.m.24178%1.2%−12 minDelta Air Lines
DL 18834:15 p.m.15580%1.9%−12 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Jan 4, 202630%0
Mar 16, 202630%1
Jan 5, 202630%1
Feb 22, 202630%0
Jan 3, 202630%3

Questions

How often are flights from STT to ATL on time?

79% of 719 scheduled flights from Charlotte Amalie, VI to Atlanta, GA arrived within 15 minutes of schedule between September 2025 and August 2026. 1.9% were cancelled.

What is the best time of day to fly STT to ATL?

Flights scheduled to leave at 3 p.m. were the most reliable (80% on time). The 1 p.m. departures were the least (74%).

What month has the most delays from STT to ATL?

August (70% on time). The best month is September (92%), over 2023–2026.

Is the last flight of the day from STT to ATL more likely to be cancelled?

No, the opposite. Each airline's last STT–ATL flight of the day was cancelled 1.2% of the time over the past year, against 2.5% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.