78% of flights from New York 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 80% of the time; the 8 a.m. ones 75%. Most reliable airline: American Airlines (78%). 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 JFK → STT: when a flight was late, it was under 45 minutes late 48% of the time. About 1 in 13 flights landed an hour or more late, and 1 in 61 three hours or more; 2.2% were cancelled outright.
- On time or early78%
- 15–30 min late6.8%
- 30–60 min late4.9%
- 1–2 hours late2.7%
- 2–3 hours late3.3%
- 3+ hours late1.6%
- Diverted0.4%
- Cancelled2.2%
Share of all 546 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| American Airlines | 305 | 78% | 2.0% | −12 min | 9.2% | +126 min | American Airlines |
| Delta Air Lines | 241 | 78% | 2.5% | −11 min | 5.8% | +59 min | Delta 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 JFK). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | American Airlines | Delta Air Lines |
|---|---|---|
| 7 a.m. | 80% | — |
| 8 a.m. | — | 76% |
| 9 a.m. | 79% | — |
By month
Each calendar month pooled over 2023–2026. Best: May (92%). Worst: February (68%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 78 | — | — |
| Tuesday | 77 | — | — |
| Wednesday | 76 | — | — |
| Thursday | 76 | — | — |
| Friday | 76 | — | — |
| Saturday | 85 | — | — |
| Sunday | 78 | — | — |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 10 · air traffic/airport 1 · security 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.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| DL 1930 | 8:00 a.m. | 238 | 78% | 2.5% | −11 min | Delta Air Lines |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Apr 4, 2026 | 3 | 33% | 0 |
| Apr 11, 2026 | 3 | 100% | 0 |
Questions
How often are flights from JFK to STT on time?
78% of 546 scheduled flights from New York, NY to Charlotte Amalie, VI arrived within 15 minutes of schedule between September 2025 and August 2026. 2.2% were cancelled.
What is the best time of day to fly JFK to STT?
Flights scheduled to leave at 7 a.m. were the most reliable (80% on time). The 8 a.m. departures were the least (75%).
Which airline is most on time from JFK to STT?
American Airlines: 78% of its 305 flights on the route arrived on time. Delta Air Lines: 78%.
What month has the most delays from JFK to STT?
February (68% on time). The best month is May (92%), over 2023–2026.
Related
- STT → JFK (return)
- New York JFK (JFK) delays by hour
- Flights into Cyril E. King (STT)
- American Airlines on-time record
- Delta Air Lines on-time record
- Connecting off this flight? Check the risk
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.