AirportsLondon

London to Houston

πŸ‡¬πŸ‡§LHRπŸ‡ΊπŸ‡ΈIAHLondon Heathrow Airport to George Bush Intercontinental AirportUnited Kingdom to United States
Distance
7,763 km
4,824 miles
Frequency
About 5 a day
S26 schedule
Airlines
3
British Airways, United Airlines, Aer Lingus, codeshares included
Typical delay
25 min
43 departures

The route

Great circle, 7,763 km
LHRIAH7,763 km
7,763 km (4,824 miles) great-circle, measured between the two airports' published coordinates. The line is the shortest path over the globe, which on a flat map bows away from a straight line.

How delayed is this route?

Measured over months

Departures from London Heathrow Airport on this route are typically 25 minutes late (likely 22 to 27), across 43 departures we tracked between 2026-03-16 and 2026-06-09.

median delay of tracked departures on this leg. Flight Owl's own resolved departure predictions (flights our users tracked), not a census of all flights at the airport.

Airlines on this route

3 airlines with a flight number here

Every airline that puts its own flight number on this route. On a busy pair most of them are codeshare partners selling seats on another airline's aircraft, so this is wider than the list of airlines that actually operate it.

Flights on this route

1 of 7 flight numbers tracked often enough to describe
FlightAirlineDepartsAircraftDepartures seen
BA 195British Airways09:10not seen yet27

Departure times are local to London Heathrow Airport. A flight appears here once we have tracked it at least 10 times.

Both airports

How these numbers are measured