American AirlinesAA
Flights AA108 20:05 daily
live
Direct flights from Boston (BOS) to London (LHR): 35 nonstop departures observed each week across 5 airlines. 88% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is 41 minutes early. 1 of the 8 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 18 October 2026 at 21:43 UTC.
Today, BOS → LHR
Sun 18 Oct · local times- 07:10 BA238British Airways Left 07:10 Landed 17:57 −43
- 18:38 B61620JetBlue Departed Landed 06:31 +1
- 19:05 DL58Delta Departed Landed 06:26 −19
- 19:30 BA212British Airways Cancelled ·
- 20:05 AA108American Departed Landed 07:06 −54
- 21:30 VS158Virgin Atlantic Departed Landed 08:09 −66
- 21:55 BA202British Airways Left 22:03 +8 Landed 08:54 −41
- · BA1212British Airways Departed Landed 07:03 −7
Checked BOS board 17:43 · LHR board 22:25
BOS
Boston
smooth · +1
LHR
London
smooth · +0
5,239 km · ~7h 13m est.
Runs reliable · 5 airlines · 35x weekly · nonstop
88% on time
of the last 8 operated BOS → LHR flights arrived within 15 minutes
Median arrival delay is −41 min. 1 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−41 minacross the last 8 operated legs
Flight time~7h 13mestimated from route distance
Weekly departures35x5 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesBritish AirwaysDelta 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 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
Current conditions put the pressure at BOS: 38% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. 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
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 London (LHR) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/BOS-LHR
BOS to LHR questions
Is BOS–LHR 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–LHR?
Operators schedule morning departures around 07:10 and evening departures around 18:38 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 53 flights a week between them. Compare carrier days and times in the airline list above.
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