The Boston to San Juan route connects Logan International Airport (BOS) in US with Luis Munoz Marin International Airport (SJU) in PR. This medium-haul flight covers approximately 1681 miles (2705 km) with a typical flight time of 3h 38m. This route is served by 5 airlines: JetBlue, NKS, Frontier Airlines and others. AirportRoutes has tracked 12 unique flight numbers on this route.
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KBOSBOSLuis Munoz Marin International Airport
TJSJSJU5
Operators12
Tracked Flights1681
Miles3h 38m
Flight Duration| Airline | ICAO | IATA |
|---|---|---|
| JetBlue |
JBU
|
B6
|
| Spirit |
NKS
|
NK
|
| Frontier |
FFT
|
F9
|
| Delta Air Lines |
DAL
|
DL
|
| Kalitta Charters |
KFS
|
K9
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 11 | 19% |
|
| Tuesday | 4 | 7% |
|
| Wednesday | 8 | 14% |
|
| Thursday | 11 | 19% |
|
| Friday | 8 | 14% |
|
| Saturday | 10 | 17% |
|
| Sunday | 7 | 12% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
Delta Air Lines
DAL
/ DL
|
- | A21N | - |
M
T
W
T
F
S
S
|
Jun 17, 2026 | Active |
|
Frontier
FFT
/ F9
|
A21N | 12:18 12:18 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 17, 2026 | Active | |
|
JetBlue
JBU
/ B6
|
|
BCS3 | 12:16 12:16 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 17, 2026 | Active |
|
Kalitta Charters
KFS
/ K9
|
LJ35 | 09:40 9:40 AM (Representative) |
M
T
W
T
F
S
S
|
Jun 17, 2026 | Active | |
|
Spirit
NKS
/ NK
|
A321 | 15:23 3:23 PM (Representative) |
M
T
W
T
F
S
S
|
Jun 17, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 09:40 9:40 AM | Kalitta Charters |
KFS
|
K9
|
| 12:16 12:16 PM | JetBlue |
JBU
|
B6
|
| 12:18 12:18 PM | Frontier |
FFT
|
F9
|
| 15:23 3:23 PM | Spirit |
NKS
|
NK
|
Time Information
Times are shown in the departure airport's local timezone (KBOS - America/New_York).