It was way back in 1961 that Terminal 3 opened. Operating mainly long-haul flights, 15.5 million passengers are seen traveling through the 26 airlines that make use of this terminal.
While the Check-In and Flight Arrivals are positioned on the ground floor at the front of the building, Flight Departures is on the first floor. International flights have a check-in time of 3 hours prior to departure, European flights have a 2-hour and domestic flights have a 1-hour check in time before departure. Around 45 minutes before departure, passengers are allowed to board the flights.
Self Service Check-In
This type of check-in process is quick, simple, and secure. Both kiosks and online modes cater to the self-service category of check in. Kiosks at Terminal 3 are located close to the standard check-in desks. The airlines operating from Terminal 3 that provide this service are Air Canada, American Airlines, British Airways, Japan Airlines, SAS, and Virgin Atlantic.
Online self-service check in is offered by these airlines operating from Terminal 3: British Airways, Cathay Pacific, SAS, Singapore Airlines, Turkish Airlines, and Virgin Atlantic.
Terminal 4 completed operations in 1986; 37 airlines make use of the terminal and approximately 14.2 million passengers travel via these airlines each year. Air India, Delta and KLM are the major airlines flying from this terminal. There are flights for long-haul and European destinations too.
Check-In can be found on the first floor of the terminal, along with Flight Departures. Flight Arrivals is located on the ground floor. Check in time for international flights is 3 hours prior to departure, while that for European flights is 2 hours and that for domestic flights is 1 hour prior to departure.
Air France, Gulf Air, and KLM are the airlines that offer kiosks for self service type of check in. The airlines functioning from Terminal 4 that offer online self-service check in are Air France and KLM.
The newest terminal at Heathrow Airport is Terminal 5. Terminal 5 is the largest free-standing building in the UK and is used only by British Airways and Iberia. Constructed of glass and steel, space and energy efficiency are two attributes you can associate with the building. Terminal 5 was thrown open to passengers on the 27th March 2008.
With terminal 5 handling 30 million passengers, Heathrow airport will become the busiest airport in the world.