Qatar Airways flight QR 3999: Boston Logan - Luis Munoz Marin, San Juan

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue 16:55 Boston Logan (BOS) C 21:56 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A320 (320) 4:01 Operates only on 2026-02-24
Codeshare flight, operated by JetBlue.(B6 561)
Tue 16:55 Boston Logan (BOS) C 21:56 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A321 (321) 4:01 Operates only on 2026-03-03
Codeshare flight, operated by JetBlue.(B6 561)
Tue 16:55 Boston Logan (BOS) C 20:56 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A321 (321) 4:01 Operates only on 2026-03-10
Codeshare flight, operated by JetBlue.(B6 561)
Daily 17:44 Raleigh/Durham (RDU) 2 19:29 New York John F. Kennedy (JFK) 5
QR 3999 Non-stop Airbus A320 (320) 1:45 Effective 2026-09-09 through 2026-10-24
Codeshare flight, operated by JetBlue.(B6 1386)
Tue,Wed,Sat 17:50 Boston Logan (BOS) C 22:55 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A220-300 (223) 4:05 Effective 2026-01-13 through 2026-01-24
Codeshare flight, operated by JetBlue.(B6 561)
Sat 17:50 Boston Logan (BOS) C 22:55 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A220-300 (223) 4:05 Effective 2026-01-31 through 2026-02-07
Codeshare flight, operated by JetBlue.(B6 561)
Tue 17:50 Boston Logan (BOS) C 22:55 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A220-300 (223) 4:05 Operates only on 2026-02-10
Codeshare flight, operated by JetBlue.(B6 561)
Mon,Thu,Fri,Sun 18:45 Boston Logan (BOS) C 23:48 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A220-300 (223) 4:03 Effective 2026-01-12 through 2026-02-09
Codeshare flight, operated by JetBlue.(B6 561)
Mon,Wed-Fri,Sun 18:45 Boston Logan (BOS) C 23:49 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A320 (320) 4:04 Effective 2026-02-25 through 2026-03-05
Codeshare flight, operated by JetBlue.(B6 561)
Fri 18:45 Boston Logan (BOS) C 23:48 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A320 (320) 4:03 Operates only on 2026-03-06
Codeshare flight, operated by JetBlue.(B6 561)
Mon,Wed,Sun 18:45 Boston Logan (BOS) C 22:48 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A320 (320) 4:03 Effective 2026-03-08 through 2026-03-11
Codeshare flight, operated by JetBlue.(B6 561)
Daily 18:50 Boston Logan (BOS) C 23:56 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A321 (321) 4:06 Valid until 2026-01-05
Codeshare flight, operated by JetBlue.(B6 561)
Mon-Fri,Sun 18:55 Boston Logan (BOS) C 22:55 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A321 (321) 4:00 Effective from 2026-10-25
Codeshare flight, operated by JetBlue.(B6 561)
Tue 19:10 Boston Logan (BOS) C 00:14 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A321 (321) 4:04 Operates only on 2026-01-06
Codeshare flight, operated by JetBlue.(B6 561)
The flight arrives 1 day after departure.
Daily 19:20 Boston Logan (BOS) C 23:23 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A320 (320) 4:03 Effective 2026-03-12 through 2026-03-30
Codeshare flight, operated by JetBlue.(B6 561)
Daily 20:15 Boston Logan (BOS) C 00:15 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A321 (321) 4:00 Effective 2026-04-14 through 2026-04-28
Codeshare flight, operated by JetBlue.(B6 561)
The flight arrives 1 day after departure.
Wed-Sun 20:20 Boston Logan (BOS) C 01:22 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A321 (321) 4:02 Effective 2026-01-07 through 2026-01-11
Codeshare flight, operated by JetBlue.(B6 561)
The flight arrives 1 day after departure.
Wed 20:20 Boston Logan (BOS) C 01:21 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A321 (321) 4:01 Operates only on 2026-02-11
Codeshare flight, operated by JetBlue.(B6 561)
The flight arrives 1 day after departure.
Mon-Fri,Sun 20:50 Boston Logan (BOS) C 01:50 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A321 (321) 4:00 Effective 2026-02-12 through 2026-02-23
Codeshare flight, operated by JetBlue.(B6 561)
The flight arrives 1 day after departure.
Daily 21:15 Boston Logan (BOS) C 01:19 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A321 (321) 4:04 Effective 2026-04-29 through 2026-09-08
Codeshare flight, operated by JetBlue.(B6 561)
The flight arrives 1 day after departure.
Daily 21:30 Boston Logan (BOS) C 01:29 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A320 (320) 3:59 Effective 2026-03-31 through 2026-04-13
Codeshare flight, operated by JetBlue.(B6 561)
The flight arrives 1 day after departure.
Sat 21:55 Boston Logan (BOS) C 02:52 Luis Munoz Marin, San Juan (SJU) A
QR 3999 Non-stop Airbus A321 (321) 3:57 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by JetBlue.(B6 561)
The flight arrives 1 day after departure.
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Qatar Airways flight QR 3999:
Boston Logan - Luis Munoz Marin, San Juan
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Qatar Airways QR3999
16:55
Boston Logan (BOS) C

21:56
Luis Munoz Marin, San Juan (SJU) A
Operates only on 2026-02-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:01, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Qatar Airways QR3999
16:55
Boston Logan (BOS) C

21:56
Luis Munoz Marin, San Juan (SJU) A
Operates only on 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:01, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Qatar Airways QR3999
16:55
Boston Logan (BOS) C

20:56
Luis Munoz Marin, San Juan (SJU) A
Operates only on 2026-03-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:01, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Qatar Airways QR3999
17:44
Raleigh/Durham (RDU) 2

19:29
New York John F. Kennedy (JFK) 5
Effective 2026-09-09 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by JetBlue. (B6 1386)
Duration: 1:45, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Qatar Airways QR3999
17:50
Boston Logan (BOS) C

22:55
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-01-13 through 2026-01-24
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:05, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
Qatar Airways QR3999
17:50
Boston Logan (BOS) C

22:55
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-01-31 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:05, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
Qatar Airways QR3999
17:50
Boston Logan (BOS) C

22:55
Luis Munoz Marin, San Juan (SJU) A
Operates only on 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:05, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
Qatar Airways QR3999
18:45
Boston Logan (BOS) C

23:48
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-01-12 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:03, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
Qatar Airways QR3999
18:45
Boston Logan (BOS) C

23:49
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-02-25 through 2026-03-05
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:04, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Qatar Airways QR3999
18:45
Boston Logan (BOS) C

23:48
Luis Munoz Marin, San Juan (SJU) A
Operates only on 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:03, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Qatar Airways QR3999
18:45
Boston Logan (BOS) C

22:48
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-03-08 through 2026-03-11
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:03, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Qatar Airways QR3999
18:50
Boston Logan (BOS) C

23:56
Luis Munoz Marin, San Juan (SJU) A
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:06, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Qatar Airways QR3999
18:55
Boston Logan (BOS) C

22:55
Luis Munoz Marin, San Juan (SJU) A
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:00, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Qatar Airways QR3999
19:10
Boston Logan (BOS) C

00:14(+1)
Luis Munoz Marin, San Juan (SJU) A
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:04, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Qatar Airways QR3999
19:20
Boston Logan (BOS) C

23:23
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-03-12 through 2026-03-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:03, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Qatar Airways QR3999
20:15
Boston Logan (BOS) C

00:15(+1)
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-04-14 through 2026-04-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:00, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Qatar Airways QR3999
20:20
Boston Logan (BOS) C

01:22(+1)
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-01-07 through 2026-01-11
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:02, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Qatar Airways QR3999
20:20
Boston Logan (BOS) C

01:21(+1)
Luis Munoz Marin, San Juan (SJU) A
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:01, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Qatar Airways QR3999
20:50
Boston Logan (BOS) C

01:50(+1)
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-02-12 through 2026-02-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:00, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Qatar Airways QR3999
21:15
Boston Logan (BOS) C

01:19(+1)
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-04-29 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 4:04, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Qatar Airways QR3999
21:30
Boston Logan (BOS) C

01:29(+1)
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-03-31 through 2026-04-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 3:59, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Qatar Airways QR3999
21:55
Boston Logan (BOS) C

02:52(+1)
Luis Munoz Marin, San Juan (SJU) A
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by JetBlue. (B6 561)
Duration: 3:57, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
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  • QR 3999 is an international flight departing from Boston Logan airport, United States (BOS) and arriving at Luis Munoz Marin, San Juan airport, Puerto Rico (SJU).
  • The flight distance is 1678 miles, or 2700 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-4 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 1:45 and 4:06.
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