The following table shows percentage of passengers transferring between domestic and international flights and between international flights at Heathrow and Gatwick in 2008.
Heathrow Gatwick Passengers (million) Percentage of total passengers Passengers (million) Percentage of total passengers Total passengers 66.6 — 33.4 — Of which: Transfer Domestic to International 2.7 4 1.1 3 International to International 18.1 27 1.2 4 International to Domestic 2.8 4 0.9 3 Total transfer passengers1 23.6 35 3.2 10 1 This includes domestic to domestic transfer passengers. Source: CAA Passenger Survey
The following table shows the percentage of journeys made to Gatwick, Heathrow, Stansted and Luton airports that were made by train, bus/coach, tube, and other road vehicles in 2008.
Final mode Gatwick Heathrow Stansted Luton Rail (percentage) 30 10 26 19 Buses/coaches (percentage) 7 14 21 14 Tube (percentage) 0 16 0 0 Other road vehicles (percentage) 63 60 52 67 Terminating passengers2 (million) 30.1 43.0 20.4 9.7 1 These results are based on a departure survey only. The assumption, for weighting purposes, is that arriving and departing passengers share the same modal characteristics. 2 This includes passengers using other modes to/from airport. Source: CAA Passenger Survey