Boston to San Juan (BOS-SJU): nonstop upgrade & award space

JetBlue Airways, Delta Air Lines, and Frontier Airlines fly nonstop between Boston (BOS) and San Juan (SJU), roughly 18 times a week. With JetBlue Airways running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on Delta Air Lines, on every BOS to SJU departure, so you know which flights have space before you book.

Schedule last confirmed September 6, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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Nonstop flights a week

1,679 mi

Nonstop distance

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Boston to San Juan flight schedule

Scheduled nonstop departures for BOS to SJU, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Scheduled nonstop departures from Boston (BOS) to San Juan (SJU)
Date	Flight	Airline	Departs BOS	Arrives SJU	Duration	Aircraft
Tue, Sep 8	B6 761	JetBlue Airways	06:00	10:00	4h	320
Tue, Sep 8	DL 1780	Delta Air Lines	08:55	12:57	4h 2m	32Q
Tue, Sep 8	B6 861	JetBlue Airways	10:10	14:11	4h 1m	320
Tue, Sep 8	B6 561	JetBlue Airways	19:10	23:19	4h 9m	321
Wed, Sep 9	B6 861	JetBlue Airways	07:55	12:02	4h 7m	320
Wed, Sep 9	DL 1780	Delta Air Lines	08:55	12:57	4h 2m	32Q
Thu, Sep 10	B6 861	JetBlue Airways	07:55	12:02	4h 7m	320
Thu, Sep 10	DL 1780	Delta Air Lines	08:55	12:57	4h 2m	32Q
Thu, Sep 10	B6 561	JetBlue Airways	19:20	23:58	4h 38m	320
Fri, Sep 11	B6 861	JetBlue Airways	07:55	12:02	4h 7m	320
Fri, Sep 11	DL 1780	Delta Air Lines	08:55	12:57	4h 2m	32Q
Fri, Sep 11	B6 561	JetBlue Airways	19:20	23:58	4h 38m	320
Sat, Sep 12	DL 1780	Delta Air Lines	08:55	12:57	4h 2m	32Q
Sat, Sep 12	B6 861	JetBlue Airways	10:15	14:23	4h 8m	320
Sun, Sep 13	DL 1780	Delta Air Lines	08:55	12:57	4h 2m	32Q
Sun, Sep 13	B6 861	JetBlue Airways	10:15	14:23	4h 8m	320
Sun, Sep 13	B6 561	JetBlue Airways	19:20	23:58	4h 38m	320
Mon, Sep 14	B6 861	JetBlue Airways	07:55	12:02	4h 7m	320
Mon, Sep 14	DL 1780	Delta Air Lines	08:55	12:57	4h 2m	32Q
Mon, Sep 14	B6 561	JetBlue Airways	19:20	23:58	4h 38m	320

Showing all 20 scheduled BOS to SJU departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every BOS to SJU date on the interactive map

Confirmed upgrade & award space on BOS to SJU departures

2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Boston to San Juan to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each BOS to SJU departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See BOS to SJU on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Boston to San Juan nonstop

Carriers operating BOS to SJU nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See BOS to SJU on the interactive map →

Frequently asked questions about BOS to SJU

How far is San Juan from Boston?

BOS to SJU covers about 1,679 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.

Which airlines fly nonstop from BOS to SJU?

JetBlue Airways, Delta Air Lines, and Frontier Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines, and award seats on JetBlue Airways.

How many flights a week are there from BOS to SJU?

About 18 nonstop flights a week run between Boston and San Juan in the current schedule, operated by JetBlue Airways, Delta Air Lines, and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.

What time do flights from BOS to SJU depart?

Scheduled BOS to SJU nonstops in the next 7 days with service leave between 06:00 and 19:20, local time at Boston. The schedule table on this page lists every departure by date, with its arrival time and aircraft.

How do I check upgrade or award availability on BOS to SJU?

Open the BOS to SJU route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss BOS to SJU upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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