Heathrow Gatwick Stansted Luton
16 million 26 million 36 million 6 million
Atlanta Hartsfield London Heathrow Los Angeles Chicago O'Hare
Sussex Kent Hampshire Surrey
2nd 3rd 4th 1st
Croydon Southend City Northwood
2 3 4 1
1977 1967 1987 1997
District Northern Piccadilly Central
Gatwick Stansted Luton Heathrow