Flights AA39 12:15 daily
Direct flights from London (LHR) to Miami (MIA): 21 nonstop departures observed each week across 3 airlines. 50% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 7 minutes early. 1 of the 6 tracked flights was cancelled. The nonstop covers 7,109 km, an estimated 9 hours 37 minutes in the air. Measured by Pro Flight Search from live flight boards at London and Miami. Updated 8 September 2026 at 22:24 UTC.
of the last 6 operated LHR → MIA flights arrived within 15 minutes
Median arrival delay is −7 min. 1 of 6 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
Current conditions put the pressure at LHR and MIA: 32% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the London to Miami route actually runs
Pro Flight Search records official board updates for nonstop LHR to MIA 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 — London (LHR) to Miami (MIA) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/LHR-MIA
LHR to MIA questions
Is LHR–MIA running on time right now?
Significant delay risk. The departure side at LHR 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 LHR–MIA?
Operators schedule morning departures around 09:55 from LHR. Earlier flights typically land before destination-airport delays accumulate later in the day; check the MIA delay card to confirm conditions when you'd arrive.
How long is the flight from LHR to MIA?
Great-circle distance is 7,109 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 532–639 min gate-to-gate on this route.
How often does LHR–MIA fly?
3 carriers operate this route, around 24 flights a week between them. Compare carrier days and times in the airline list above.