| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 09 | BOS | STT | 08:09 | 12:33 |
Landed
|
Track > |
| Feb 08 | BOS | STT | 08:45 | 13:13 |
Landed
|
Track > |
| Feb 07 | BOS | STT | 15:25 | 20:02 |
Delayed
|
Track > |
| Feb 02 | BOS | STT | 08:13 | 13:04 |
Landed
|
Track > |
TAP Portugal Flight TP4521 connects Boston, United States to St. Thomas, U.S. Virgin Islands, taking off from Boston Logan International Airport BOS and landing at St. Thomas Cyril E. King Airport STT.
How long is the TP4521 flight from Boston to St. Thomas?
The average flight time from Boston to St. Thomas is 3 hours and 35 minutes. The flight distance is 2732 km / 1697 miles and the average flight speed is 764 km/h / 475 mph.
What is the On-Time Performance (OTP) of TAP Portugal Flight TP4521 Boston to St. Thomas?
The Airportia On-Time Performance Rating for TAP Portugal Flight TP4521 is 4.2/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest TP4521 flight?
The latest flight took off on Monday, February 9th, 2026 with the flight status being Landed on 12:33.
How else can the flight TP4521 be referenced as?
This TAP Portugal flight can also be referenced as TAP4521, TP 4521, TAP 4521.
How often is flight TP4521 delayed?
On average, 50% of all TP4521 flights are delayed. The average delay is 98 minutes.
Can I get compensation for my delayed or cancelled TP4521 flight or baggage issues?
If your TP4521 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our TP4521 Flight Tracker above for more details.
Other flights departing from Boston BOS: AA3287, B6907, UA2320, AA4389
Other flights arriving at St. Thomas STT: AA2735, B6907, AA2816, AA2734
All flights connecting Boston BOS to St. Thomas STT.
