IAH → LHRHouston to London

live

Direct flights from Houston (IAH) to London (LHR): 14 nonstop departures observed each week across 2 airlines. The median arrival is 11 minutes early. No cancellations were recorded across the 4 tracked flights. The nonstop covers 7,763 km, an estimated 10 hours 27 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and London. Updated 7 September 2026 at 23:09 UTC.

IAH Houston smooth · +0
LHR London smooth · +0
7,763 km · ~10h 27m est.
dep bank 15:30–21:0514x weekly
Running clean · 2 airlines · 14x weekly · nonstop
100 / 100

route health from live IAH and LHR delay boards

Median arrival delay is −11 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−11 minacross the last 4 operated legs
Flight time~10h 27mestimated 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
British AirwaysUnited Airlines

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
British AirwaysBA

Flights BA194 15:30 Mo We Th Fr Sa Su · BA196 21:05 daily

United AirlinesUA

Flights UA880 varies daily · UA5 20:15 daily

History

operated legs · board outcomes
09-07BA196arrived−27
09-07UA5arrived+11
09-07UA880dep −9 → arr−11
09-06BA194dep −6 → arr−14

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
IAHHouston +0 min smooth Full IAH delay board →
LHRLondon +0 min smooth Full LHR delay board →

Weather lens

Current conditions put the pressure at IAH and LHR: 31% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Houston to London route actually runs

Pro Flight Search records official board updates for nonstop IAH 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 — Houston (IAH) to London (LHR) route reliability, measured from operated flights on official airport boards.

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

IAH to LHR questions

Is IAH–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 IAH–LHR?

Operators schedule evening departures around 20:15 from IAH. 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 IAH to LHR?

Great-circle distance is 7,763 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 578–695 min gate-to-gate on this route.

How often does IAH–LHR fly?

2 carriers operate this route, around 27 flights a week between them. Compare carrier days and times in the airline list above.