Question: has any nba team not won a championship

Answer: Yes, This is a list of National Basketball Association (NBA) franchise post-season appearance droughts. This list includes the all-time and the active consecutive non-playoffs. Aside from the NBA playoff appearance droughts, this list also includes droughts of series wins, appearances in the NBA Finals and NBA championship wins. The teams which have never made an NBA Playoffs appearance, an NBA Finals appearance championship. The oldest such franchise is the Suns (48 seasons), while the Royals/Kings and the Hawks have even longer championship droughts (67 and 60 seasons, respectively). Seven franchises have never been to the NBA Finals, the highest number among the major North American sports. The oldest such team is the Braves/Clippers franchise (45 seasons); the Kings and the Hawks have appearance droughts that are even longer (65 and 58 seasons, respectively). The longest a franchise has gone without appearing in the playoffs at all is 15 seasons: the Braves/Clippers franchise from 1977 to 1991.