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| NFL championship seasons: none |
| Last NFL championship: none in 65 seasons |
| Los Angeles Chargers became San Diego Chargers in 1961 |
| San Diego Chargers became Los Angeles Chargers in 2017 |
| Best finish (by location): |
| LA Chargers lost to Houston for AFL Championship in 1960 season |
| San Diego beat Boston for AFL Championship in 1963 season |
| San Diego lost to San Francisco in Super Bowl in 1994 season |
| TEAM | SEAS | RECORD | PERC | DIV STAND | CNF STAND | PLAYOFFS |
| LA Chargers | 1960 | 10-4 | .714 | 1st AFL West | LHoO | |
| San Diego | 1961 | 12-2 | .857 | 1st AFL West | LHoO | |
| San Diego | 1962 | 4-10 | .286 | 3rd AFL West | missed playoffs | |
| %San Diego | 1963 | 11-3 | .786 | 1st AFL West | WBos | |
| San Diego | 1964 | 8-5-1 | .615 | 1st AFL West | LBuf | |
| San Diego | 1965 | 9-2-3 | .818 | 1st AFL West | LBuf | |
| San Diego | 1966 | 7-6-1 | .538 | 3rd AFL West | missed playoffs | |
| San Diego | 1967 | 8-5-1 | .615 | 3rd AFL West | missed playoffs | |
| San Diego | 1968 | 9-5 | .643 | 3rd AFL West | missed playoffs | |
| San Diego | 1969 | 8-6 | .571 | 3rd AFL West | missed playoffs | |
| San Diego | 1970 | 5-6-3 | .455 | 3rd AFC West | missed playoffs | |
| San Diego | 1971 | 6-8 | .429 | 3rd AFC West | missed playoffs | |
| San Diego | 1972 | 4-9-1 | .321 | 4th AFC West | missed playoffs | |
| San Diego | 1973 | 2-11-1 | .179 | 4th AFC West | missed playoffs | |
| San Diego | 1974 | 5-9 | .357 | 4th AFC West | missed playoffs | |
| San Diego | 1975 | 2-12 | .143 | 4th AFC West | 13th AFC | missed playoffs |
| San Diego | 1976 | 6-8 | .429 | 3rd AFC West | T8th AFC | missed playoffs |
| San Diego | 1977 | 7-7 | .500 | 3rd AFC West | 9th AFC | missed playoffs |
| San Diego | 1978 | 9-7 | .562 | 4th AFC West | T6th AFC | missed playoffs |
| San Diego | 1979 | 12-4 | .750 | 1st AFC West | 1st AFC | bye LHoO |
| San Diego | 1980 | 11-5 | .688 | 1st AFC West | 1st AFC | bye WBuf LOak |
| San Diego | 1981 | 10-6 | .625 | 1st AFC West | 3rd AFC | bye WSD LCin |
| San Diego | 1982 | 6-3 | .667 | 2nd AFC West | 5th AFC | WPit LMia |
| San Diego | 1983 | 6-10 | .375 | 4th AFC West | T12th AFC | missed playoffs |
| San Diego | 1984 | 7-9 | .438 | 5th AFC West | T9th AFC | missed playoffs |
| San Diego | 1985 | 8-8 | .500 | 4th AFC West | T8th AFC | missed playoffs |
| San Diego | 1986 | 4-12 | .250 | 5th AFC West | T12th AFC | missed playoffs |
| San Diego | 1987 | 8-7 | .533 | 3rd AFC West | T6th AFC | missed playoffs |
| San Diego | 1988 | 6-10 | .375 | 4th AFC West | T11th AFC | missed playoffs |
| San Diego | 1989 | 6-10 | .375 | 5th AFC West | 12th AFC | missed playoffs |
| San Diego | 1990 | 6-10 | .375 | 4th AFC West | T10th AFC | missed playoffs |
| San Diego | 1991 | 4-12 | .250 | 5th AFC West | 12th AFC | missed playoffs |
| San Diego | 1992 | 11-5 | .688 | 1st AFC West | 3rd AFC | WKC LMia |
| San Diego | 1993 | 8-8 | .500 | 4th AFC West | T8th AFC | missed playoffs |
| San Diego | 1994 | 11-5 | .688 | 1st AFC West | 3rd AFC | bye WMia WPit LSF |
| San Diego | 1995 | 9-7 | .562 | 2nd AFC West | 4th AFC | LInd |
| San Diego | 1996 | 8-8 | .500 | 3rd AFC West | T8th AFC | missed playoffs |
| San Diego | 1997 | 4-12 | .250 | 5th AFC West | T13th AFC | missed playoffs |
| San Diego | 1998 | 5-11 | .313 | 5th AFC West | 13th AFC | missed playoffs |
| San Diego | 1999 | 8-8 | .500 | 3rd AFC West | T8th AFC | missed playoffs |
| San Diego | 2000 | 1-15 | .062 | 5th AFC West | 16th AFC | missed playoffs |
| San Diego | 2001 | 5-11 | .313 | 5th AFC West | 15th AFC | missed playoffs |
| San Diego | 2002 | 8-8 | .500 | 3rd AFC West | T10th AFC | missed playoffs |
| San Diego | 2003 | 4-12 | .250 | 4th AFC West | T15th AFC | missed playoffs |
| San Diego | 2004 | 12-4 | .750 | 1st AFC West | 4th AFC | LNYJ |
| San Diego | 2005 | 9-7 | .563 | 3rd AFC West | T8th AFC | missed playoffs |
| San Diego | 2006 | 14-2 | .875 | 1st AFC West | 1st AFC | bye LNE |
| San Diego | 2007 | 11-5 | .688 | 1st AFC West | 3rd AFC | WTen WInd LNE |
| San Diego | 2008 | 8-8 | .500 | 1st AFC West | 4th AFC | WInd LPit |
| San Diego | 2009 | 13-3 | .812 | 1st AFC West | 2nd AFC | bye LNYJ |
| San Diego | 2010 | 9-7 | .563 | 2nd AFC West | 7th AFC | missed playoffs |
| San Diego | 2011 | 8-8 | .500 | 2nd AFC West | T8th AFC | missed playoffs |
| San Diego | 2012 | 7-9 | .438 | 2nd AFC West | T8th AFC | missed playoffs |
| San Diego | 2013 | 9-7 | .563 | 3rd AFC West | 6th AFC | WCin LDen |
| San Diego | 2014 | 9-7 | .563 | 3rd AFC West | T7th AFC | missed playoffs |
| San Diego | 2015 | 4-12 | .250 | 4th AFC West | 14th AFC | missed playoffs |
| San Diego | 2016 | 5-11 | .312 | 4th AFC West | T13th AFC | missed playoffs |
| LA Chargers | 2017 | 9-7 | .563 | 2nd AFC West | T7th AFC | missed playoffs |
| LA Chargers | 2018 | 12-4 | .750 | 2nd AFC West | 5th AFC | WBal LNE |
| LA Chargers | 2019 | 5-11 | .312 | 4th AFC West | T14th AFC | missed playoffs |
| LA Chargers | 2020 | 7-9 | .438 | 3rd AFC West | T10th AFC | missed playoffs |
| LA Chargers | 2021 | 9-8 | .529 | 3rd AFC West | T8th AFC | missed playoffs |
| LA Chargers | 2022 | 10-7 | .588 | 2nd AFC West | 5th AFC | LJac |
| LA Chargers | 2023 | 5-12 | .294 | 4th AFC West | 15th AFC | missed playoffs |
| LA Chargers | 2024 | 11-6 | .647 | 2nd AFC West | 5th AFC | LHou |
| LA Chargers | 2025 | 11-6 | .647 | 2nd AFC West | 7th AFC | LNE |