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