SJU → BOSSan Juan to Boston

live

Direct flights from San Juan (SJU) to Boston (BOS): 14 nonstop departures observed each week across 2 airlines. 100% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes early. No cancellations were recorded across the 5 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 San Juan and Boston. Updated 14 September 2026 at 09:28 UTC.

SJU San Juan busy · +17
BOS Boston disrupted · +92
2,702 km · ~3h 58m est.
dep bank 05:15–18:5514x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
100% on time

of the last 5 operated SJU → BOS flights arrived within 15 minutes

Median arrival delay is −8 min. 0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−8 minacross the last 5 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 14:10 daily

JetBlue AirwaysB6

Flights B6562 varies daily · B6762 13:50 daily · B6808 varies Tu Fr Sa · B6462 varies daily

History

operated legs · board outcomes
09-13B6462dep +9 → arr−14
09-13DL1780dep +19 → arr−8
09-12B6462dep +4 → arr−17
09-12B6562dep +10 → arr−6
09-12DL1780dep +32 → arr+6

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
SJUSan Juan +17 min busy 🌤 scattered clouds · N 0 kt Full SJU delay board →
BOSBoston +92 min disrupted 🌤 mostly cloudy · WNW 10 kt Full BOS delay board →

Weather lens

Current conditions put the pressure at SJU and BOS: 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 San Juan to Boston route actually runs

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

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

SJU to BOS questions

Is SJU–BOS running on time right now?

Significant delay risk. The arrival side at BOS is the weaker end, route health score 39/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SJU–BOS?

Operators schedule 2 departures from SJU. Earlier flights typically land before destination-airport delays accumulate later in the day; check the BOS delay card to confirm conditions when you'd arrive.

How long is the flight from SJU to BOS?

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 SJU–BOS fly?

2 carriers operate this route, around 31 flights a week between them. Compare carrier days and times in the airline list above.