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.
Your essential guide to travelling between Heathrow Airport and Central London by train, tube, coach, bus, taxi or airport hotel transfer. Located 32km (20 miles) to the west of Central London, London Heathrow Airport (LHR) is one of the busiest and most advanced airports in the world.