1. elapsed time-the time that elapses while some event is occurring. period, period of time, time period-an amount of time; a time period of 30 years; hastened the period of time of his recovery; Picasso's blue period.
With a journey time of 15 minutes between the airport and London Paddington, and departures every 15 minutes, Heathrow Express offers the fastest journey time. 1  Heathrow Express train service between London and Heathrow Airport.  Visit Heathrow Express online:www.heathrowexpress.com.
â¦. Fly into London Heathrow Airport, also called LHR, for access to The Big Smoke. Located in London, England, this airport offers both international and domestic flights and is the busiest airport in the United Kingdom. If youâre looking to arrive or depart from LHR airport via public transportation, youâre in luck.ocated in London, England, this airport offers both international and domestic flights and is the busiest airport in the United Kingdom. If youâre looking to arrive or depart from LHR airport via public transportation, youâre in luck.