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.
Heathrow's biggest secret: Inside Terminal 5's deserted underground railway station (which is the length of 33 London buses) It may be one of the world's busiest airports, handling almost 80 million passengers each year, but Heathrow Airport has a secret many people don't know.