LIS → BOSLisbon to Boston

live

Direct flights from Lisbon (LIS) 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 18 minutes early. No cancellations were recorded across the 5 tracked flights. The nonstop covers 5,124 km, an estimated 7 hours 4 minutes in the air. Measured by Pro Flight Search from live flight boards at Lisbon and Boston. Updated 9 September 2026 at 19:28 UTC.

LIS Lisbon busy · +27
BOS Boston smooth · +0
5,124 km · ~7h 04m est.
dep bank 12:00–17:4014x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
100% on time

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

Median arrival delay is −18 min. 0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−18 minacross the last 5 operated legs
Flight time~7h 04mestimated 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 LinesTAP Air Portugal

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 DL125 12:45 daily

TAP Air PortugalTP

Flights TP217 12:00 daily · TP215 varies daily

History

operated legs · board outcomes
09-09DL125dep +20 → arr−18
09-09TP215dep +6 → arr−25
09-09TP217dep +24 → arr−19
09-08DL125arrived−11
09-08TP215dep +24 → arr+1

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
LISLisbon +27 min busy 🌤 few clouds · NNW 14 kt Full LIS delay board →
BOSBoston +0 min smooth 🌤 mostly cloudy · ENE 7 kt Full BOS delay board →

Weather lens

Current conditions put the pressure at BOS: 42% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Lisbon to Boston route actually runs

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

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

LIS to BOS questions

Is LIS–BOS running on time right now?

Smooth skies ahead. The departure side at LIS is the weaker end, route health score 82/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on LIS–BOS?

Operators schedule 2 departures from LIS. 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 LIS to BOS?

Great-circle distance is 5,124 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 392–469 min gate-to-gate on this route.

How often does LIS–BOS fly?

2 carriers operate this route, around 21 flights a week between them. Compare carrier days and times in the airline list above.