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.
1 Heathrow Express: a non-stop service direct to London's Paddington station; trains leave every 15 minutes for the 15-minute journey (21 minutes to/from Terminal 5). 2  Trains depart from Heathrow Terminal 5 station or Heathrow Central station (Terminals 1, 2 & 3).eathrow is the busiest airport in the United Kingdom, busiest airport in Europe by passenger traffic, and third busiest airport in the world by total passenger traffic.