Flights DL125 11:15 daily
Direct flights from Lisbon (LIS) to Boston (BOS): 19 nonstop departures observed each week across 2 airlines. 67% of the last 6 tracked flights arrived within 15 minutes of schedule. The median arrival is 9 minutes early. 1 of the 9 tracked flights was cancelled. 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 15 November 2026 at 00:11 UTC.
of the last 6 tracked LIS → BOS flights arrived within 15 minutes
Median arrival delay is −9 min. 1 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach 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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Conditions are tightest at LIS and BOS: a 38% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +4 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →
next sweep in 120s
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
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: Lisbon (LIS) to Boston (BOS) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/LIS-BOS
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 87/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on LIS–BOS?
Operators schedule morning departures around 11:15 and evening departures around 17:00 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 19 flights a week between them. Compare carrier days and times in the airline list above.