Help in refining this list would be appreciated!Airbus:from West London Air Terminal, 6.10.1957 to 1979
from Victoria, route A1, 1981 to 1998
from Kings Cross and Marble Arch, route A2, 1981 to 2004
Railair Link:from Reading, Thames Valley Traction from 1967, route RA1, was X25
from Woking, routes RA2 and 925, was 701
from Luton, route 888
from Feltham, currently 285 and 490
See
https://en.wikipedia.org/wiki/RailAirFrom Picadilly Line:Hatton Cross, 19.7.1975
Heathrow Central, 16.12.1977
Heathrow Terminal 4, 7.4.1986
Heathrow Terminal 5, from 27.3.2008
From Paddington:Heathrow Junction,
19.1.1998 to 23.6.1998
Heathrow Central, from 23.6.1998
Heathrow Terminal 4, from 23.6.1998
Heathrow Terminal 5, from 27.3.2008
Southern linkHeathrow Terminal 5, from cicra 2027/8
https://heathrowrail.comWestern linkHeathrown Terminal 5, from 2028
(link)HS2▸ linknear Heathrow Terminal 5, project ruled out in 2015
(link)