Flights AA108 19:15 daily
Direct flights from Boston (BOS) to London (LHR): 49 nonstop departures observed each week across 5 airlines. 80% of the last 15 tracked flights arrived within 15 minutes of schedule. The median arrival is 12 minutes early. 1 of the 15 tracked flights was cancelled. The nonstop covers 5,239 km, an estimated 7 hours 13 minutes in the air. Measured by Pro Flight Search from live flight boards at Boston and London. Updated 14 November 2026 at 09:38 UTC.
of the last 15 tracked BOS → LHR flights arrived within 15 minutes
Median arrival delay is −12 min. 1 of 15 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 BOS: a 33% 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 Boston to London route actually runs
Pro Flight Search records official board updates for nonstop BOS to LHR 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: Boston (BOS) to London (LHR) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/BOS-LHR
BOS to LHR questions
Is BOS–LHR running on time right now?
Significant delay risk. The departure side at BOS is the weaker end, route health score 50/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on BOS–LHR?
Operators schedule morning departures around 07:30 and evening departures around 19:10 from BOS. Earlier flights typically land before destination-airport delays accumulate later in the day; check the LHR delay card to confirm conditions when you'd arrive.
How long is the flight from BOS to LHR?
Great-circle distance is 5,239 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 400–479 min gate-to-gate on this route.
How often does BOS–LHR fly?
5 carriers operate this route, around 49 flights a week between them. Compare carrier days and times in the airline list above.