Flights Boston → St. Thomas
BOS → STT
How long is the flight from Boston to St. Thomas?
The flight from Boston (BOS) to St. Thomas (STT) takes 4h 12m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
This flight route operates from Boston to St. Thomas with an average on-time performance of 85%, and flights typically experience a mean delay of 13.6 minutes. Over the course of a year, there are 172 scheduled flights using Airbus A320 aircraft, serving a destination airport that handles approximately 1,458,764 passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Boston (BOS) → St. Thomas (STT) route is operated by JetBlue Airways. Across 211 flights monitored in recent months, 84% arrived on time (within 15 min of schedule), with an average delay of 12 minutes. The cancellation rate is 3.79%. FlightGuard's average computed risk is 18.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At St. Thomas the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Boston the average ATFM delay is 5.5 minutes.
Heading to St. Thomas: what to expect in this direction
Flying from Boston (BOS) to St. Thomas (STT) heads south for about 2,732 km, a flight time of roughly 4h 12m.
Departures from Boston on this leg cluster in the overnight window: about 81% of BOS-STT flights take off then.
Air-traffic congestion: departing Boston the average ATFM delay is 5.5 min (atfm); arriving into St. Thomas it is 2.0 min (atfm).
Across 211 tracked BOS-STT flights, 84% left on time with an average delay of 12 min and a 3.8% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| JetBlue Airways (B6) | 79% | 7 min | 0.1% |
Airlines operating BOS-STT
Airports
Frequently asked questions about BOS-STT
The flight from Boston (BOS) to St. Thomas (STT) takes 4h 12m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Boston (BOS) -> St. Thomas (STT) route, on-time performance is 84% with an average delay of 12 minutes, based on 211 tracked flights.
The cancellation rate on Boston-St. Thomas is 3.79% across 211 monitored flights.
The route is operated by 1 airline: JetBlue Airways.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at St. Thomas, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
