Heathrow has launched a trial allowing passengers to pre-book security slots ahead of their journeys, one of the first airports in the UK to offer this system. Heathrow Timeslot is a free service which will give passengers a designated time and entry point to the security search area, which it hopes will help to reduce queue times for all passengers by allowing colleagues to plan resources more effectively. The trial will be live in Terminal 3 for up to six months and initially be open to passengers travelling with four airlines, American Airlines, Delta, Emirates and Virgin Atlantic. Further airlines