ON TIMEBOARD

CLT → STT on time

Charlotte Douglas (Charlotte, NC) to Cyril E. King (Charlotte Amalie, VI). Every scheduled flight, September 2025 to August 2026.

On time
80%
arrived < 15 min late
Cancelled
1.1%
609 flights
Typical arrival
−8 min
median vs schedule
When late
+72 min
average delay
Flights / day
2
1 airline

80% of flights from Charlotte to Charlotte Amalie arrived on time over the past 12 months. That is about the typical U.S. route. The 7 a.m. departures ran on time 86% of the time; the 11 a.m. ones 77%. 7% 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 CLT → STT: when a flight was late, it was under 45 minutes late 60% of the time. About 1 in 18 flights landed an hour or more late, and 1 in 55 three hours or more; 1.1% were cancelled outright.

Share of all 609 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines60980%1.1%−8 min5.6%+72 minAmerican Airlines

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 CLT). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: 86% on time (214 flights)867a8 a.m. departures: too few flights (83 flights)8a9 a.m. departures: too few flights (76 flights)9a10 a.m. departures: too few flights (41 flights)10a11 a.m. departures: 77% on time (186 flights)7711a
CLT → STT, 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 CLT → STT, each airline's last flight of the day was cancelled 1.1% of the time, against 1.4% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 1.9% of the time (earlier flights: 1.8%). 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
American Airlines9:57 a.m.1.1%1.9%1.4%first flight 7:18 a.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: November (89%). Worst: April (70%).

40%70%100%Jan: 75% on time (178 flights)75JanFeb: 81% on time (166 flights)81FebMar: 83% on time (186 flights)83MarApr: 70% on time (180 flights)70AprMay: 80% on time (188 flights)80MayJun: 83% on time (184 flights)83JunJul: 81% on time (186 flights)81JulAug: 75% on time (123 flights)75AugSep: too few flights (24 flights)SepOct: too few flights (57 flights)OctNov: 89% on time (151 flights)89NovDec: 84% on time (167 flights)84Dec

By day of week

DayFlightsOn timeCancelled
Monday89——
Tuesday79——
Wednesday81——
Thursday83——
Friday86——
Saturday10476%1.9%
Sunday87——

Why flights were late

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

Late inbound plane 49%Airline (crew, maintenance, ops) 29%Air traffic & airport (NAS) 16%Severe weather 6%Security 1%

Cancellations: weather 5 · air traffic/airport 2

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
AA 24317:18 a.m.12086%0.0%−8 minAmerican Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Jul 25, 2026367%0
Jul 18, 2026367%0
Jun 27, 2026367%0
May 30, 2026367%0
Jun 20, 2026367%0

Questions

How often are flights from CLT to STT on time?

80% of 609 scheduled flights from Charlotte, NC to Charlotte Amalie, VI arrived within 15 minutes of schedule between September 2025 and August 2026. 1.1% were cancelled.

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

Flights scheduled to leave at 7 a.m. were the most reliable (86% on time). The 11 a.m. departures were the least (77%).

What month has the most delays from CLT to STT?

April (70% on time). The best month is November (89%), over 2023–2026.

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

No, the opposite. Each airline's last CLT–STT flight of the day was cancelled 1.1% of the time over the past year, against 1.4% 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.