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.
London Heathrow Airport Terminal 4 is a long way from the central core of Terminals 1 2 and 3. Terminal 4 is situated to the south of the southern runway, and when first opened in 1986 was designated for British Airways.ondon Heathrow Airport bus services There are many local bus services to Heathrow. All stop at the Central bus station (between Terminals 1 and 3) as well as at Terminals 4 and 5. The bus station is open 24 hours a day and the Travel Centre is open from 06:00 to 22:30.