In 2004, London was easily the world's commercial passenger capital. New York, Tokyo, and Chicago tied for second.
- Heathrow + Gatwick + Stansted + Luton + London: 125,555,483
- O'Hare + Midway: 95,254,359
- Kennedy + Newark + LaGuardia: 93,644,909
- Narita + Hanneda: 93,427,232
Los Angeles, with five different commercial jet airports, has a mere 84 million passengers per year.