<P> The following is a listing of all 30 current National Basketball Association (NBA) teams ranked by win - loss record percentage, accurate as of the end of the 2016--17 NBA season . The records do not count wins and losses recorded by a team's playing time in the American Basketball Association (ABA), despite the 1976 NBA - ABA merger . The San Antonio Spurs have the highest win - loss record percentage, with . 624 . The Minnesota Timberwolves have the lowest win - loss record percentage, with . 391 . The Boston Celtics have recorded the most wins, with 3,274, while the Sacramento Kings have recorded the most losses at 2,955 . The Boston Celtics lead the association with the most played games, with 5,560 . Conversely, the Pelicans have played the least overall games, with 1,132 . </P> <Table> <Tr> <Td> Best win - loss record in division </Td> </Tr> </Table>

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