The Heathrow Airport T5 branch operates between Acton Town* and Heathrow Airport T5.
*Trains originate from Cockfosters.
Trains call at the following stations:
Acton Town
South Ealing
Northfields
Osterley
Hounslow East
Hounslow Central
Hounslow West
Hatton Cross
Heathrow Airport T123
Heathrow Airport T5
Services operate on the Piccadilly line for London Underground.