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.
There are various trains to London from Heathrow Airport. The Heathrow Express is the fastest way to travel into Central London. Trains from Heathrow leave every 15 minutes and the journey to London Paddington takes about 15-20 minutes. Trains to London leave Heathrow Airport from approximately 5am until 11.55pm.Standard adult fares are Â£21.50 for a single ticket purchased online or at a ticket office/machine (or Â£26.50 when purchased onboard).here are various trains to London from Heathrow Airport. The Heathrow Express is the fastest way to travel into Central London. Trains from Heathrow leave every 15 minutes and the journey to London Paddington takes about 15-20 minutes. Trains to London leave Heathrow Airport from approximately 5am until 11.55pm.