1839
Wembley Central
Bus service
London Underground service
1841
Harrow & Wealdstone
Cancelled (delay caused on non-Network Rail line)
London Underground service
1842
Elephant & Castle (Lt)
Departed at 1843
London Underground service
1
1843
Queens Park (London)
Bus service
London Underground service
1844
Harrow & Wealdstone
Bus service
London Underground service
1845
Watford Junction
Cancelled (points failure)
London Overground service
1848
London Euston
Departed on time
London Overground service
1
1849
Stonebridge Park
Departed at 1854
London Underground service
2
1852
Elephant & Castle (Lt)
Departed at 1854
London Underground service
1
1853
Queens Park (London)
Bus service
London Underground service
1853
Queens Park (London)
Bus service
London Underground service
1854
Wembley Central
Bus service
London Underground service
1854
Harrow & Wealdstone
Bus service
London Underground service
1856
Harrow & Wealdstone
Departed at 1900
London Underground service
2
1857
Elephant & Castle (Lt)
Departed on time
London Underground service
1
1901
Watford Junction
Departed at 1904
London Overground service
2
1902
London Euston
Departed on time
London Overground service
1
1903
Queens Park (London)
Bus service
London Underground service
1904
Harrow & Wealdstone
Bus service
London Underground service
1904
Stonebridge Park
Departed at 1906
London Underground service
2
1906
Elephant & Castle (Lt)
Departed at 1907
London Underground service
1
1908
Queens Park (London)
Bus service
London Underground service
1909
Wembley Central
Bus service
London Underground service
1911
Harrow & Wealdstone
Departed at 1918
London Underground service
2
1912
Elephant & Castle (Lt)
Departed on time
London Underground service
1
1913
Queens Park (London)
Bus service
London Underground service
1914
Harrow & Wealdstone
Bus service
London Underground service
1917
Watford Junction
Departed on time
London Overground service
2
1918
London Euston
Departed on time
London Overground service
1
1920
Stonebridge Park
Departed at 1922
London Underground service
2
1922
Elephant & Castle (Lt)
Cancelled (delay caused on non-Network Rail line)
London Underground service
1924
Harrow & Wealdstone
Bus service
London Underground service
1924
Wembley Central
Bus service
London Underground service
1924
Queens Park (London)
Bus service
London Underground service
1924
Queens Park (London)
Bus service
London Underground service
1926
Harrow & Wealdstone
Departed at 1929
London Underground service
2
1927
Elephant & Castle (Lt)
Departed on time
London Underground service
1
1931
Watford Junction
Departed at 1933
London Overground service
2
1932
London Euston
Departed on time
London Overground service
1
1933
Wembley Central
Bus service
London Underground service
1933
Harrow & Wealdstone
Bus service
London Underground service
1934
Queens Park (London)
Bus service
London Underground service
1934
Stonebridge Park
Departed at 1936
London Underground service
2
1936
London Road Depot
Departed on time
London Underground service
1
1938
Harrow & Wealdstone
Bus service
London Underground service
1939
Queens Park (London)
Bus service
London Underground service
1941
Harrow & Wealdstone
Departed at 1950
London Underground service
2
1942
Elephant & Castle (Lt)
Cancelled (delay caused on non-Network Rail line)
London Underground service
1944
Queens Park (London)
Bus service
London Underground service
1946
Watford Junction
Departed at 1947
London Overground service
2
1947
London Euston
Departed at 1956
London Overground service
1
1948
Wembley Central
Bus service
London Underground service
1948
Harrow & Wealdstone
Bus service
London Underground service
1949
Stonebridge Park
Departed at 1953
London Underground service
2
1951
London Road Depot
Departed at 1953
London Underground service
1
1954
Queens Park (London)
Bus service
London Underground service
1954
Queens Park (London)
Bus service
London Underground service
1956
Harrow & Wealdstone
Departed at 2000
London Underground service
2
1957
Elephant & Castle (Lt)
Departed at 1959
London Underground service
1
1958
Harrow & Wealdstone
Bus service
London Underground service
2001
Watford Junction
Departed at 2003
London Overground service
2
2002
London Euston
Cancelled (points failure)
London Overground service
2003
Wembley Central
Bus service
London Underground service
2004
Queens Park (London)
Bus service
London Underground service
2004
Stonebridge Park
Departed at 2006
London Underground service
2
2006
London Road Depot
Cancelled (delay caused on non-Network Rail line)
London Underground service
2008
Harrow & Wealdstone
Bus service
London Underground service
2009
Queens Park (London)
Bus service
London Underground service
2011
Harrow & Wealdstone
Departed on time
London Underground service
2
2012
Elephant & Castle (Lt)
Departed on time
London Underground service
1
2014
Queens Park (London)
Bus service
London Underground service
2016
Watford Junction
Departed on time
London Overground service
2
2017
London Euston
Departed on time
London Overground service
1
2018
Harrow & Wealdstone
Bus service
London Underground service
2019
Stonebridge Park
Departed at 2021
London Underground service
2
2021
Elephant & Castle (Lt)
Departed at 2032
London Underground service
1
2024
Queens Park (London)
Bus service
London Underground service
2026
Harrow & Wealdstone
Departed at 2034
London Underground service
2
2027
Elephant & Castle (Lt)
Departed at 2036
London Underground service
1
2028
Harrow & Wealdstone
Bus service
London Underground service
2031
Watford Junction
Departed at 2032
London Overground service
2
2032
London Euston
Departed at 2039
London Overground service
1
2034
Queens Park (London)
Bus service
London Underground service
2034
Stonebridge Park
Departed at 2037
London Underground service
2
2036
Elephant & Castle (Lt)
Departed at 2043
London Underground service
1
2038
Harrow & Wealdstone
Bus service
London Underground service
2038
Harrow & Wealdstone
Cancelled (delay caused on non-Network Rail line)
London Underground service