BBC News - London 2012: Heathrow Airport in numbers
Interesting reading, some big numbers here.
Heathrow in numbers - how the UK's biggest airport is getting ready for the Olympic and Paralympic Games. Some 500,000 people will be flying into London for the Olympics and Paralympics this summer.That includes 100,000 athletes, 20,000 members of the media and 150 heads of state. Most of them will arrive via Heathrow.
It will be the start and finish line for the bulk of visitors, giving the country's biggest airport its busiest day ever.That day will be Monday 13 August, the day after the closing ceremony and the day 65% of visitors are planning to leave.
Some 203,000 bags will be squeezed on to the baggage system - that's 35% more than on a normal day and about 13,000 more than it is designed to handle.
Of those bags, 15,000 will be oversized - full of canoes, javelins, bikes and poles for the pole vault. There will also be more than 980 firearms to check, plus ammunition.