1844
Harrow & Wealdstone
Bus service
London Underground service
1846
Watford Junction
Departed at 1847
London Overground service
2
1847
London Euston
Departed on time
London Overground service
1
1851
Stonebridge Park
Departed on time
London Underground service
2
1851
Elephant & Castle (Lt)
Departed on time
London Underground service
1
1853
Queens Park (London)
Bus service
London Underground service
1853
Queens Park (London)
Bus service
London Underground service
1854
Harrow & Wealdstone
Bus service
London Underground service
1854
Wembley Central
Bus service
London Underground service
1856
Harrow & Wealdstone
Departed on time
London Underground service
2
1857
Elephant & Castle (Lt)
Departed
London Underground service
1
1901
Watford Junction
Departed at 1910
London Overground service
2
1902
London Euston
Departed at 1905
London Overground service
1
1903
Queens Park (London)
Bus service
London Underground service
1904
Harrow & Wealdstone
Bus service
London Underground service
1906
Stonebridge Park
Departed at 1913
London Underground service
2
1906
Elephant & Castle (Lt)
Departed at 1908
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 1917
London Underground service
2
1912
Elephant & Castle (Lt)
Cancelled (delay caused on non-Network Rail line)
London Underground service
1913
Queens Park (London)
Bus service
London Underground service
1914
Harrow & Wealdstone
Bus service
London Underground service
1916
Watford Junction
Departed at 1922
London Overground service
2
1917
London Euston
Departed on time
London Overground service
1
1921
Stonebridge Park
Departed at 1924
London Underground service
2
1921
Elephant & Castle (Lt)
Departed on time
London Underground service
1
1924
Queens Park (London)
Bus service
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
1926
Harrow & Wealdstone
Departed at 1927
London Underground service
2
1927
Elephant & Castle (Lt)
Departed at 1929
London Underground service
1
1931
Watford Junction
Departed at 1932
London Overground service
2
1932
London Euston
Departed at 1933
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
1936
Stonebridge Park
Departed on time
London Underground service
2
1936
Elephant & Castle (Lt)
Departed at 1954
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 on time
London Underground service
2
1944
Queens Park (London)
Bus service
London Underground service
1946
Watford Junction
Departed on time
London Overground service
2
1947
London Euston
Departed at 1951
London Overground service
1
1948
Harrow & Wealdstone
Bus service
London Underground service
1948
Wembley Central
Bus service
London Underground service
1951
Stonebridge Park
Cancelled (delay caused on non-Network Rail line)
London Underground service
1951
Elephant & Castle (Lt)
Departed at 1957
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 on time
London Underground service
2
1958
Harrow & Wealdstone
Bus service
London Underground service
2001
Watford Junction
Departed at 2002
London Overground service
2
2002
London Euston
Departed on time
London Overground service
1
2003
Wembley Central
Bus service
London Underground service
2004
Queens Park (London)
Bus service
London Underground service
2006
Stonebridge Park
Departed on time
London Underground service
2
2006
Elephant & Castle (Lt)
Departed at 2008
London Underground service
1
2008
Harrow & Wealdstone
Bus service
London Underground service
2009
Queens Park (London)
Bus service
London Underground service
2011
Harrow & Wealdstone
Departed at 2012
London Underground service
2
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
2021
Stonebridge Park
Departed on time
London Underground service
2
2021
Elephant & Castle (Lt)
Departed at 2022
London Underground service
1
2024
Queens Park (London)
Bus service
London Underground service
2026
Harrow & Wealdstone
Departed on time
London Underground service
2
2028
Harrow & Wealdstone
Bus service
London Underground service
2031
Watford Junction
Departed on time
London Overground service
2
2032
London Euston
Departed on time
London Overground service
1
2034
Queens Park (London)
Bus service
London Underground service
2036
Stonebridge Park
Departed on time
London Underground service
2
2036
Elephant & Castle (Lt)
Departed on time
London Underground service
1
2038
Harrow & Wealdstone
Bus service
London Underground service
2041
Harrow & Wealdstone
Departed at 2042
London Underground service
2