BOS → SJUBoston to San Juan

live

Direct flights from Boston (BOS) to San Juan (SJU): 14 nonstop departures observed each week across 2 airlines. 83% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 5 minutes early. No cancellations were recorded across the 6 tracked flights. The nonstop covers 2,702 km, an estimated 3 hours 58 minutes in the air. Measured by Pro Flight Search from live flight boards at Boston and San Juan. Updated 13 September 2026 at 14:33 UTC.

BOS Boston smooth · +0
SJU San Juan smooth · +0
2,702 km · ~3h 58m est.
dep bank 06:00–19:5014x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
83% on time

of the last 6 operated BOS → SJU flights arrived within 15 minutes

Median arrival delay is −5 min. 0 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−5 minacross the last 6 operated legs
Flight time~3h 58mestimated from route distance
Weekly departures14x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Delta Air LinesJetBlue Airways

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Delta Air LinesDL

Flights DL1780 08:50 daily

JetBlue AirwaysB6

Flights B6761 06:00 daily · B6861 10:10 daily · B6561 varies daily

History

operated legs · board outcomes
09-12B6861dep +0 → arr−5
09-12DL1780dep −5 → arr−9
09-11B6561dep +43 → arr+27
09-11B6861arrived−7
09-11DL1780arrived−22
09-10B6861departed+0

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
BOSBoston +0 min smooth 🌤 overcast · SSE 4 kt Full BOS delay board →
SJUSan Juan +0 min smooth 🌤 mostly cloudy · ENE 14 kt Full SJU delay board →

Weather lens

Current conditions put the pressure at BOS and SJU: 46% odds of a 15+ minute delay and around +15 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Boston to San Juan route actually runs

Pro Flight Search records official board updates for nonstop BOS to SJU flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Boston (BOS) to San Juan (SJU) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/BOS-SJU
How we measure this →

BOS to SJU questions

Is BOS–SJU running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on BOS–SJU?

Operators schedule morning departures around 06:00 from BOS. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SJU delay card to confirm conditions when you'd arrive.

How long is the flight from BOS to SJU?

Great-circle distance is 2,702 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 221–262 min gate-to-gate on this route.

How often does BOS–SJU fly?

2 carriers operate this route, around 28 flights a week between them. Compare carrier days and times in the airline list above.