1821 Cambridge to Brighton
Departing on 20th December 2025

operated by
Thameslink
12 coaches
Planned
Realtime
Location
Pl
Arr
Dep
Arr
Dep
Dly
7
1821
1821
1
1837
1837
1835
1837
1
1842
1842
1841
1842
1
1847
1847
1846
1847
1
1850
1850
1849
1850
1
1855
1855
1854
1855
1
1900
1901
1859
1901
2
1921
1922
1920
1922
3
1934
1934
1933
1934
2
1936
1936
1936
1937
+1
1
1938
1939
1938
1939
4
1944
1945
1943
1945
3
1958
1959
1957
1959
7
2014
2015
2012
2015
5
2019
2020
2018
2020
2
2029
2030
2027
2030
2
2035
2036
2034
2036
4
2048
2049
+1