KL7521 Flight Status KLM: St. Thomas to Boston (KLM7521)
KL 7521 St. Thomas to Boston Flight Status
Not scheduled today. Latest flight: April 24th, 2026 ; recent history is in the table below.
KL 7521 Flight Status & Schedule KLM St. Thomas to Boston
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Apr 24 | STT | BOS | 14:30 | 18:17 | Landed | Track > |
| Apr 23 | STT | BOS | 14:49 | 18:52 | Landed | Track > |
| Apr 22 | STT | BOS | 14:54 | 18:49 | Landed | Track > |
| Apr 21 | STT | BOS | 17:01 | 20:38 | Delayed | Track > |
| Apr 20 | STT | BOS | 14:33 | 18:15 | Landed | Track > |
| Apr 19 | STT | BOS | 14:42 | 18:29 | Landed | Track > |
| Apr 18 | STT | BOS | 14:39 | 18:25 | Landed | Track > |
| Apr 17 | STT | BOS | 15:02 | 18:42 | Landed | Track > |
| Apr 16 | STT | BOS | 14:34 | 18:28 | Landed | Track > |
KLM flight KL 7521 links St. Thomas and Boston, 2,732 km (1,697 mi) apart. With 4 h 26 min in the timetable and a usual flight time of about 3 h 45 min, it often makes up time. It is not flying today; the last flight, on 24 April 2026, landed on time.
About KL 7521
- Distance
- 2,732 km (1,697 mi)
- Typical flight time
- 3 h 45 min
- On time
- 8 of the last 8
- Usually departs from
- Gate 6
KL 7521 FAQ
- How long is the KL7521 flight?
- The timetable allows 4 h 26 min. St. Thomas to Boston is 2,732 km (1,697 mi).
- How often is KL7521 late?
- None of the last 8 flights arrived 15 or more minutes late.
- Which terminal does KL7521 use?
- It usually leaves from gate 6 at St. Thomas Cyril E. King Airport (STT) and arrives at Terminal A at Boston Logan International Airport (BOS). Check the flight card above for today's terminal and gate.
- What other flight numbers does KL7521 have?
- Also listed as KLM7521 (KLM's ICAO code) and KL 7521.
KL7521 and St. Thomas STT to Boston BOS Flights
Flight KL7521 is a code-share KLM flight of the Delta Air Lines operated DL352.
Other flights departing from St. Thomas STT: B61135, DL352, NK895
Other flights arriving at Boston BOS: DL352, B6452, DL5868
All flights connecting St. Thomas STT to Boston BOS.