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| 2 NBA championship seasons: 1978-79, 2024-25 |
| Last NBA championship: 2024-25, 0 seasons ago |
| Seattle Supersonics became Oklahoma City Thunder in 2008-09 |
| Best finish (by location): |
| Seattle beat Was Bullets in NBA Finals in 1978-79 season |
| Oklahoma City beat Indiana in NBA Finals in 2024-25 season |
| TEAM | SEASON | RECORD | PERC | DIV STD | GB | CNF STD | PLAYOFFS |
| Seattle | 1967-68 | 23-59 | .280 | 5th West | -33.0 | missed playoffs | |
| Seattle | 1968-69 | 30-52 | .366 | 6th West | -25.0 | missed playoffs | |
| Seattle | 1969-70 | 36-46 | .439 | 5th West | -12.0 | missed playoffs | |
| Seattle | 1970-71 | 38-44 | .463 | 4th Pacific | -10.0 | --- West | missed playoffs |
| Seattle | 1971-72 | 47-35 | .573 | 3rd Pacific | -22.0 | --- West | missed playoffs |
| Seattle | 1972-73 | 26-56 | .317 | 4th Pacific | -34.0 | --- West | missed playoffs |
| Seattle | 1973-74 | 36-46 | .439 | 3rd Pacific | -11.0 | --- West | missed playoffs |
| Seattle | 1974-75 | 43-39 | .524 | 2nd Pacific | - 5.0 | 4th West | WDet LGS |
| Seattle | 1975-76 | 43-39 | .524 | 2nd Pacific | -16.0 | 2nd West | bye LPhx |
| Seattle | 1976-77 | 40-42 | .488 | 4th Pacific | -13.0 | --- West | missed playoffs |
| Seattle | 1977-78 | 47-35 | .573 | 3rd Pacific | -11.0 | 4th West | WLAL WPor WDen LWsB |
| %Seattle | 1978-79 | 52-30 | .634 | 1st Pacific | + 2.0 | 1st West | bye WLAL WPhx WWsB |
| Seattle | 1979-80 | 56-26 | .683 | 2nd Pacific | - 4.0 | 3rd West | WPor WMil LLAL |
| Seattle | 1980-81 | 34-48 | .415 | 6th Pacific | -23.0 | --- West | missed playoffs |
| Seattle | 1981-82 | 52-30 | .634 | 2nd Pacific | - 5.0 | 3rd West | WHou LSA |
| Seattle | 1982-83 | 48-34 | .585 | 3rd Pacific | -10.0 | 4th West | LPor |
| Seattle | 1983-84 | 42-40 | .512 | 3rd Pacific | -12.0 | 5th West | LDal |
| Seattle | 1984-85 | 31-51 | .378 | 5th Pacific | -31.0 | --- West | missed playoffs |
| Seattle | 1985-86 | 31-51 | .378 | 5th Pacific | -31.0 | --- West | missed playoffs |
| Seattle | 1986-87 | 39-43 | .476 | 4th Pacific | -26.0 | 7th West | WDal WHou LLAL |
| Seattle | 1987-88 | 44-38 | .537 | 3rd Pacific | -18.0 | 7th West | LDen |
| Seattle | 1988-89 | 47-35 | .573 | 3rd Pacific | -10.0 | 4th West | WHou LLAL |
| Seattle | 1989-90 | 41-41 | .500 | 4th Pacific | -22.0 | --- West | missed playoffs |
| Seattle | 1990-91 | 41-41 | .500 | 5th Pacific | -22.0 | 8th West | LPor |
| Seattle | 1991-92 | 47-35 | .573 | 4th Pacific | -10.0 | 6th West | LGS LUta |
| Seattle | 1992-93 | 55-27 | .671 | 2nd Pacific | - 7.0 | 3rd West | WUta WHou LPhx |
| Seattle | 1993-94 | 63-19 | .768 | 1st Pacific | + 7.0 | 1st West | LDen |
| Seattle | 1994-95 | 57-25 | .695 | 2nd Pacific | - 2.0 | 4th West | LLAL |
| Seattle | 1995-96 | 64-18 | .780 | 1st Pacific | +11.0 | 1st West | WSac WHou WUta LChi |
| Seattle | 1996-97 | 57-25 | .695 | 1st Pacific | + 1.0 | 2nd West | WPhx LHou |
| Seattle | 1997-98 | 61-21 | .744 | 1st Pacific | + 0.0 | 2nd West | WMin LLAL |
| Seattle | 1998-99 | 25-25 | .500 | 5th Pacific | -10.0 | --- West | missed playoffs |
| Seattle | 1999-00 | 45-37 | .549 | 4th Pacific | -22.0 | 7th West | LUta |
| Seattle | 2000-01 | 44-38 | .537 | 5th Pacific | -12.0 | --- West | missed playoffs |
| Seattle | 2001-02 | 45-37 | .549 | 4th Pacific | -16.0 | 7th West | LSA |
| Seattle | 2002-03 | 40-42 | .488 | 5th Pacific | -19.0 | --- West | missed playoffs |
| Seattle | 2003-04 | 37-45 | .451 | 5th Pacific | -19.0 | --- West | missed playoffs |
| Seattle | 2004-05 | 52-30 | .634 | 1st Northwest | + 3.0 | 3rd West | WSac LSA |
| Seattle | 2005-06 | 35-47 | .427 | 3rd Northwest | - 9.0 | --- West | missed playoffs |
| Seattle | 2006-07 | 31-51 | .378 | 5th Northwest | -20.0 | --- West | missed playoffs |
| Seattle | 2007-08 | 20-62 | .244 | 5th Northwest | -34.0 | --- West | missed playoffs |
| Oklahoma City | 2008-09 | 23-59 | .280 | 5th Northwest | -31.0 | --- West | missed playoffs |
| Oklahoma City | 2009-10 | 50-32 | .610 | 4th Northwest | - 3.0 | 8th West | LLAL |
| Oklahoma City | 2010-11 | 55-27 | .671 | 1st Northwest | + 5.0 | 4th West | WDen WMem LDal |
| Oklahoma City | 2011-12 | 47-19 | .712 | 1st Northwest | + 9.0 | 2nd West | WDal WLAL WSA LMia |
| Oklahoma City | 2012-13 | 60-22 | .732 | 1st Northwest | + 3.0 | 1st West | WHou LMem |
| Oklahoma City | 2013-14 | 59-23 | .720 | 1st Northwest | + 5.0 | 2nd West | WMem WLAC LSA |
| Oklahoma City | 2014-15 | 45-37 | .549 | 2nd Northwest | - 6.0 | --- West | missed playoffs |
| Oklahoma City | 2015-16 | 55-27 | .671 | 1st Northwest | +11.0 | 3rd West | WDal WSA LGS |
| Oklahoma City | 2016-17 | 47-35 | .573 | 2nd Northwest | - 4.0 | 5th West | LHou |
| Oklahoma City | 2017-18 | 48-34 | .585 | 2nd Northwest | - 1.0 | 4th West | LUta |
| Oklahoma City | 2018-19 | 49-33 | .598 | 4th Northwest | - 5.0 | 6th West | LPor |
| Oklahoma City | 2019-20 | 44-28 | .611 | 2nd Northwest | - 1.5 | 5th West | LHou |
| Oklahoma City | 2020-21 | 22-50 | .306 | 5th Northwest | -30.0 | --- West | missed playoffs |
| Oklahoma City | 2021-22 | 24-58 | .293 | 5th Northwest | -25.0 | --- West | missed playoffs |
| Oklahoma City | 2022-23 | 40-42 | .488 | 3rd Northwest | -13.0 | 10th West | WNO LMin |
| Oklahoma City | 2023-24 | 57-25 | .695 | 1st Northwest | + 0.0 | 1st West | WNO LDal |
| Oklahoma City | 2024-25 | 68-14 | .829 | 1st Northwest | +18.0 | 1st West | WMem WDen WMin xxxx |