JFK to STT flight delays & on-time performance
Nonstop flights from John F. Kennedy International Airport to Cyril E. King Airport · 1,623 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at JFK or STT right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from New York (JFK) to Charlotte Amalie (STT) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2.6% were cancelled, and 9% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (80% on time); American Airlines was the least (79%).
- Departures scheduled around 9am did best (82% on time); around 8am did worst (77%).
- Tuesday was the most reliable day to fly (85% on time) and Sunday the least (72%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (51%).
Which airline is most on time from JFK to STT?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 80% | 2.5% | 13 min | 6.9% | 239 |
| American Airlines | 79% | 2.6% | 26 min | 10.1% | 305 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am78%111 flights
- 8am77%222 flights
- 9am82%210 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday77%6.6% cancelled
- Tuesday85%3.9% cancelled
- Wednesday80%0.0% cancelled
- Thursday82%0.0% cancelled
- Friday82%0.0% cancelled
- Saturday76%3.4% cancelled
- Sunday72%3.9% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)51%
- Late-arriving aircraft24%
- Air traffic control & airport congestion20%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather86%
- Air traffic control & airport congestion7%
- Security7%
- Airline (crew, maintenance, cleaning, fueling)0%
JFK to STT: common questions
- How often are JFK to STT flights on time?
- 79% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from New York to Charlotte Amalie cancelled?
- 2.6% of scheduled flights were cancelled (14 of 544).
- How long are typical delays?
- Across all flights the average arrival delay was 20 min (early arrivals count as zero). Flights that were late arrived 95 min behind schedule on average, and 8.7% of flights were an hour or more late.
- How long is taxi time at JFK?
- Flights on this route spent 28 min taxiing from the gate to takeoff on average.
Related routes
Return trip: STT to JFK — 79% on time
More flights from New York
More flights to Charlotte Amalie
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: JFK → STT, nonstop flights by US airlines that report to the DOT. How we calculate this.