LHR → IAHLondon to Houston

live

Direct flights from London (LHR) to Houston (IAH): 14 nonstop departures observed each week across 2 airlines. The median arrival is on schedule. 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 London and Houston. Updated 10 September 2026 at 07:16 UTC.

LHR London busy · +23
IAH Houston smooth · +0
7,763 km · ~10h 27m est.
dep bank 09:10–14:4514x weekly
Running clean · 2 airlines · 14x weekly · nonstop
85 / 100

route health from live LHR and IAH delay boards

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

Median arrival+0 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 BA195 09:10 Mo We Th Fr Sa Su · BA197 14:45 daily

United AirlinesUA

Flights UA879 10:00 daily · UA4 13:40 daily

History

operated legs · board outcomes
09-09BA195arrived+15
09-09BA197arrived+0
09-09UA4arrived−13
09-09UA879arrived−3

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
LHRLondon +23 min busy 🌤 clear · 2 kt Full LHR delay board →
IAHHouston +0 min smooth 🌤 scattered clouds · N 0 kt Full IAH delay board →

Weather lens

Current conditions put the pressure at LHR and IAH: 31% odds of a 15+ minute delay and around +2 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the London to Houston route actually runs

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

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

LHR to IAH questions

Is LHR–IAH running on time right now?

Smooth skies ahead. The departure side at LHR is the weaker end, route health score 85/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on LHR–IAH?

Operators schedule morning departures around 09:10 from LHR. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IAH delay card to confirm conditions when you'd arrive.

How long is the flight from LHR to IAH?

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 LHR–IAH fly?

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