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 City Airport is very close to Central London. However, the number of destinations from there is limited. Heathrow and Gatwick are the two main London Airports and are both about 30 miles from Central London and easily accessible. Heathrow lies to the West of London and Gatwick to the South.