From Heathrow Terminal 4 station to Watford High Street Rail Station
Live information from the Transport for London (TfL) datafeed.
First departure
Start with: Elizabeth line to Paddington Rail Station
- 1Heathrow Terminals 2 & 3 Rail Station
- 2Hayes & Harlington Rail Station
- 3Southall Rail Station
- 4Hanwell Rail Station
- 5West Ealing Rail Station
- 6Ealing Broadway Rail Station
- 7Acton Main Line Rail Station
- 8London Paddington Rail Station
Change to: Walk to Paddington Underground Station
- 9Paddington Underground Station
Change to: Bakerloo line to Queen's Park
- 10Warwick Avenue Underground Station
- 11Maida Vale Underground Station
- 12Kilburn Park Underground Station
- 13Queen's Park Underground Station
Change to: London Overground to Watford High Street Rail Station
- 14Kensal Green Rail Station
- 15Willesden Junction Rail Station
- 16Harlesden Rail Station
- 17Stonebridge Park Rail Station
- 18Wembley Central Rail Station
- 19North Wembley Rail Station
- 20South Kenton Rail Station
- 21Kenton Rail Station
- 22Harrow & Wealdstone Rail Station
- 23Headstone Lane Rail Station
- 24Hatch End Rail Station
- 25Carpenders Park Rail Station
- 26Bushey Rail Station
- 27Watford High Street Rail Station
Second departure
Start with: Elizabeth line to Paddington Rail Station
- 1Heathrow Terminals 2 & 3 Rail Station
- 2Hayes & Harlington Rail Station
- 3Southall Rail Station
- 4Hanwell Rail Station
- 5West Ealing Rail Station
- 6Ealing Broadway Rail Station
- 7Acton Main Line Rail Station
- 8London Paddington Rail Station
Change to: Walk to Paddington Underground Station
- 9Paddington Underground Station
Change to: Bakerloo line to Queen's Park
- 10Warwick Avenue Underground Station
- 11Maida Vale Underground Station
- 12Kilburn Park Underground Station
- 13Queen's Park Underground Station
Change to: London Overground to Watford High Street Rail Station
- 14Kensal Green Rail Station
- 15Willesden Junction Rail Station
- 16Harlesden Rail Station
- 17Stonebridge Park Rail Station
- 18Wembley Central Rail Station
- 19North Wembley Rail Station
- 20South Kenton Rail Station
- 21Kenton Rail Station
- 22Harrow & Wealdstone Rail Station
- 23Headstone Lane Rail Station
- 24Hatch End Rail Station
- 25Carpenders Park Rail Station
- 26Bushey Rail Station
- 27Watford High Street Rail Station
Third departure
Start with: Piccadilly line to Acton Town
- 1Heathrow Terminals 2 & 3 Underground Station
- 2Hatton Cross Underground Station
- 3Hounslow West Underground Station
- 4Hounslow Central Underground Station
- 5Hounslow East Underground Station
- 6Osterley Underground Station
- 7Boston Manor Underground Station
- 8Northfields Underground Station
- 9South Ealing Underground Station
- 10Acton Town Underground Station
Change to: Piccadilly line to Rayners Lane
- 11Ealing Common Underground Station
- 12North Ealing Underground Station
- 13Park Royal Underground Station
- 14Alperton Underground Station
- 15Sudbury Town Underground Station
- 16Sudbury Hill Underground Station
- 17South Harrow Underground Station
- 18Rayners Lane Underground Station
Change to: Metropolitan line to Northwick Park
- 19West Harrow Underground Station
- 20Harrow-on-the-Hill Underground Station
- 21Northwick Park Underground Station
Change to: Walk to Kenton Station
- 22Kenton Station
Change to: London Overground to Watford High Street Rail Station
- 23Harrow & Wealdstone Rail Station
- 24Headstone Lane Rail Station
- 25Hatch End Rail Station
- 26Carpenders Park Rail Station
- 27Bushey Rail Station
- 28Watford High Street Rail Station
Reverse trip from Watford High Street Rail Station to Heathrow Terminal 4 station