| At Cardiff (39) | At Leyton Orient (39) | Overall (78 matches) | ||||||||
| Results | Total | % | Results | Total | % | Results | Total | % | ||
| Cardiff | 23 | 58.97 | Leyton Orient | 18 | 46.15 | Cardiff | 30 | 38.46 | ||
| Leyton Orient | 5 | 12.82 | Cardiff | 7 | 17.95 | Leyton Orient | 23 | 29.49 | ||
| Draws | 11 | 28.21 | Draws | 14 | 35.9 | Draws | 25 | 32.05 | ||
| Goals | Total | Av.pg | Goals | Total | Av.pg | Goals | Total | Av.pg | ||
| Cardiff | 68 | 1.74 | Leyton Orient | 75 | 1.92 | Cardiff | 107 | 1.37 | ||
| Leyton Orient | 27 | 0.69 | Cardiff | 39 | 1 | Leyton Orient | 102 | 1.31 | ||
| Records | |||||
| Highest Aggregate | 7 | Leyton Orient | 3 - 4 | Cardiff | 1959/1960 |
| Highest Cardiff score: | 6 | Cardiff | 6 - 1 | Clapton Ornt. | 1932/1933 |
| Highest Leyton Orient score: | 4 | Leyton Orient | 4 - 1 | Cardiff | 1995/1996 |
| Season | Date | Home | Score | Away | Competition |
| 2000/2001 | Tue 06 Mar | Cardiff | 1 - 1 | Leyton Orient | League Division Three |
| Sat 14 Oct | Leyton Orient | 2 - 1 | Cardiff | League Division Three | |
| 1999/2000 | Tue 09 Nov | Cardiff | 3 - 1 | Leyton Orient | F.A. Cup |
| Sat 30 Oct | Leyton Orient | 1 - 1 | Cardiff | F.A. Cup | |
| 1998/1999 | Sat 10 Apr | Leyton Orient | 1 - 1 | Cardiff | League Division Three |
| Tue 20 Oct | Cardiff | 0 - 0 | Leyton Orient | League Division Three | |
| 1997/1998 | Sat 10 Jan | Cardiff | 1 - 0 | Leyton Orient | League Division Three |
| Sat 09 Aug | Leyton Orient | 0 - 1 | Cardiff | League Division Three | |
| 1996/1997 | Sat 30 Nov | Leyton Orient | 3 - 0 | Cardiff | League Division Three |
| Sat 26 Oct | Cardiff | 3 - 0 | Leyton Orient | League Division Three | |
| 1995/1996 | Sat 10 Feb | Leyton Orient | 4 - 1 | Cardiff | League Division Three |
| Sat 06 Jan | Cardiff | 0 - 0 | Leyton Orient | League Division Three | |
| 1994/1995 | Tue 04 Apr | Cardiff | 2 - 1 | Leyton Orient | League Division Two |
| Tue 01 Nov | Leyton Orient | 2 - 0 | Cardiff | League Division Two | |
| 1993/1994 | Sat 18 Dec | Leyton Orient | 2 - 2 | Cardiff | League Division Two |
| Sat 14 Aug | Cardiff | 2 - 0 | Leyton Orient | League Division Two | |
| 1989/1990 | Sat 07 Apr | Leyton Orient | 3 - 1 | Cardiff | Third Division |
| Sat 28 Oct | Cardiff | 1 - 1 | Leyton Orient | Third Division | |
| 1987/1988 | Sat 20 Feb | Leyton Orient | 4 - 1 | Cardiff | Fourth Division |
| Sat 15 Aug | Cardiff | 1 - 1 | Leyton Orient | Fourth Division | |
| 1986/1987 | Tue 24 Mar | Cardiff | 1 - 1 | Orient | Fourth Division |
| Tue 17 Mar | Orient | 2 - 0 | Cardiff | Fourth Division | |
| 1982/1983 | Sat 07 May | Cardiff | 2 - 0 | Orient | Third Division |
| Wed 08 Sep | Orient | 4 - 0 | Cardiff | Third Division | |
| 1981/1982 | Wed 28 Apr | Orient | 1 - 1 | Cardiff | Second Division |
| Sat 10 Apr | Cardiff | 2 - 1 | Orient | Second Division | |
| 1980/1981 | Sat 17 Jan | Orient | 2 - 2 | Cardiff | Second Division |
| Sat 30 Aug | Cardiff | 4 - 2 | Orient | Second Division | |
| 1979/1980 | Sat 29 Mar | Orient | 1 - 1 | Cardiff | Second Division |
| Sat 17 Nov | Cardiff | 0 - 0 | Orient | Second Division | |
| 1978/1979 | Sat 24 Feb | Cardiff | 1 - 0 | Orient | Second Division |
| Sat 14 Oct | Orient | 2 - 2 | Cardiff | Second Division | |
| 1977/1978 | Tue 09 May | Cardiff | 0 - 1 | Orient | Second Division |
| Sat 15 Oct | Orient | 2 - 1 | Cardiff | Second Division | |
| 1976/1977 | Wed 02 Mar | Cardiff | 0 - 1 | Orient | Second Division |
| Sat 18 Sep | Orient | 3 - 0 | Cardiff | Second Division | |
| 1974/1975 | Sat 01 Feb | Cardiff | 0 - 0 | Orient | Second Division |
| Sat 09 Nov | Orient | 1 - 1 | Cardiff | Second Division | |
| 1973/1974 | Sat 27 Apr | Cardiff | 1 - 1 | Orient | Second Division |
| Sat 01 Dec | Orient | 1 - 2 | Cardiff | Second Division | |
| 1972/1973 | Sat 03 Mar | Cardiff | 3 - 1 | Orient | Second Division |
| Sat 07 Oct | Orient | 0 - 0 | Cardiff | Second Division | |
| 1971/1972 | Wed 12 Apr | Cardiff | 1 - 0 | Orient | Second Division |
| Sat 21 Aug | Orient | 4 - 1 | Cardiff | Second Division | |
| 1970/1971 | Sat 01 May | Cardiff | 1 - 0 | Orient | Second Division |
| Sat 26 Sep | Orient | 0 - 0 | Cardiff | Second Division | |
| 1965/1966 | Sat 08 Jan | Leyton Orient | 1 - 1 | Cardiff | Second Division |
| Sat 13 Nov | Cardiff | 3 - 1 | Leyton Orient | Second Division | |
| 1964/1965 | Sat 27 Mar | Cardiff | 0 - 2 | Leyton Orient | Second Division |
| Sat 14 Nov | Leyton Orient | 1 - 3 | Cardiff | Second Division | |
| 1963/1964 | Mon 13 Apr | Leyton Orient | 4 - 0 | Cardiff | Second Division |
| Sat 22 Feb | Cardiff | 2 - 1 | Leyton Orient | Second Division | |
| 1959/1960 | Sat 27 Feb | Leyton Orient | 3 - 4 | Cardiff | Second Division |
| Sat 10 Oct | Cardiff | 5 - 1 | Leyton Orient | Second Division | |
| 1958/1959 | Sat 25 Apr | Leyton Orient | 3 - 0 | Cardiff | Second Division |
| Sat 06 Dec | Cardiff | 2 - 1 | Leyton Orient | Second Division | |
| 1957/1958 | Sat 18 Jan | Cardiff | 1 - 1 | Leyton Orient | Second Division |
| Sat 14 Sep | Leyton Orient | 4 - 2 | Cardiff | Second Division | |
| 1946/1947 | Sat 07 Jun | Cardiff | 1 - 0 | Leyton Orient | Third Division (South) |
| Wed 25 Dec | Leyton Orient | 0 - 1 | Cardiff | Third Division (South) | |
| 1938/1939 | Sat 18 Feb | Clapton Ornt. | 1 - 1 | Cardiff | Third Division (South) |
| Sat 15 Oct | Cardiff | 1 - 2 | Clapton Ornt. | Third Division (South) | |
| 1937/1938 | Sat 01 Jan | Cardiff | 2 - 0 | Clapton Ornt. | Third Division (South) |
| Sat 28 Aug | Clapton Ornt. | 1 - 1 | Cardiff | Third Division (South) | |
| 1936/1937 | Thu 10 Sep | Clapton Ornt. | 0 - 1 | Cardiff | Third Division (South) |
| Mon 31 Aug | Cardiff | 2 - 1 | Clapton Ornt. | Third Division (South) | |
| 1935/1936 | Sat 02 May | Clapton Ornt. | 2 - 1 | Cardiff | Third Division (South) |
| Mon 16 Sep | Cardiff | 4 - 1 | Clapton Ornt. | Third Division (South) | |
| 1934/1935 | Sat 13 Apr | Cardiff | 3 - 0 | Clapton Ornt. | Third Division (South) |
| Sat 01 Dec | Clapton Ornt. | 0 - 1 | Cardiff | Third Division (South) | |
| 1933/1934 | Sat 31 Mar | Cardiff | 1 - 2 | Clapton Ornt. | Third Division (South) |
| Sat 18 Nov | Clapton Ornt. | 4 - 2 | Cardiff | Third Division (South) | |
| 1932/1933 | Sat 29 Apr | Clapton Ornt. | 3 - 0 | Cardiff | Third Division (South) |
| Sat 17 Dec | Cardiff | 6 - 1 | Clapton Ornt. | Third Division (South) | |
| 1931/1932 | Sat 16 Apr | Cardiff | 5 - 0 | Clapton Ornt. | Third Division (South) |
| Sat 05 Dec | Clapton Ornt. | 1 - 1 | Cardiff | Third Division (South) | |
| 1920/1921 | Mon 06 Sep | Clapton Ornt. | 2 - 0 | Cardiff | Second Division |
| Mon 30 Aug | Cardiff | 0 - 0 | Clapton Ornt. | Second Division | |