The San Antonio Spurs have the best winning percentage by a team when playing 1,000+ games, winning 61.1 percent of the time.

highest win percentage nba teams in history and at least 1000 games played
SpursLakersCelticsJazzSunsThunderTrail BlazersHeatBucks76ersRocketsBullsMavericksPacersNuggetsHawksWarriorsKnicksRaptorsPistonsMagicCavaliers.611.592.590.545.535.534.533.526.523.519.519.510.506.499.498.494.485.484.480.479.468.461
TEAMGPW%MPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF
San Antonio SpursSan Antonio Spurs3703.611241.5105.143.824.38.05.815.540.484.547.85.013.736.419.726.175.5894,420389,153162,01490,02429,67621,29357,58079,319
Los Angeles LakersLos Angeles Lakers5840.592241.7106.349.524.08.35.540.789.145.75.315.534.421.729.274.41,411,725620,846282,637140,07432,97021,856133,044
Boston CelticsBoston Celtics5950.590241.6104.950.523.78.24.840.390.544.55.515.535.321.228.075.71,437,425624,144288,337141,01932,25718,918140,121
Utah JazzUtah Jazz3868.545241.4103.243.224.48.25.516.539.182.747.24.512.835.521.027.675.9933,670399,272167,04094,55531,66321,31763,95290,487
Phoenix SunsPhoenix Suns4361.535241.5107.644.125.08.54.841.387.447.35.615.635.720.526.976.31,053,115469,061192,215109,16333,41819,16199,698
Oklahoma City ThunderOklahoma City Thunder4442.534241.6105.544.923.28.85.040.387.246.35.415.535.120.527.275.61,073,330468,477199,325103,25834,64419,570102,880
Portland Trail BlazersPortland Trail Blazers4198.533241.7105.044.323.58.25.040.286.446.65.415.335.520.026.675.31,014,520440,686185,99698,73632,27319,73795,323
Miami HeatMiami Heat2721.526241.998.942.021.77.64.915.137.180.845.96.618.435.818.124.474.0658,215268,986114,17158,97220,76413,45641,12259,778
Milwaukee BucksMilwaukee Bucks4361.523241.6104.743.624.18.54.940.686.547.05.314.935.619.225.475.61,053,615456,650190,337105,20233,55319,278100,800
Philadelphia 76ersPhiladelphia 76ers5777.519241.7104.449.122.78.85.539.588.444.74.513.334.022.830.474.91,396,405603,050280,375131,31434,66021,706135,246
Houston RocketsHouston Rockets4442.519241.5105.345.223.48.15.140.187.146.06.618.935.019.926.475.31,072,905467,643200,954104,14331,99920,33499,517
Chicago BullsChicago Bulls4516.510241.8102.345.523.78.04.839.586.245.84.713.435.219.826.175.61,091,890462,126205,303107,03031,48019,061101,740
Dallas MavericksDallas Mavericks3379.506241.7103.342.722.57.44.714.239.185.046.06.017.035.419.224.877.3816,635349,132144,24776,15324,98215,84847,98372,895
Indiana PacersIndiana Pacers3704.499241.6102.843.323.48.15.116.039.184.346.35.214.735.519.825.976.7895,060380,956160,30586,67629,83918,78059,09685,832
Denver NuggetsDenver Nuggets3705.498241.6107.444.224.48.55.416.140.888.046.35.214.934.521.127.776.0895,125397,974163,93890,55831,50219,95059,48386,398
Atlanta HawksAtlanta Hawks5774.494241.6102.648.522.68.35.138.887.344.45.215.034.921.929.374.71,394,805592,261277,191130,73032,92719,966137,694
Golden State WarriorsGolden State Warriors5940.485241.6105.450.423.38.85.140.491.344.25.916.335.921.228.774.01,434,925626,301287,577138,20034,89520,097140,729
New York KnicksNew York Knicks5941.484241.9101.748.022.17.94.438.987.744.45.415.335.220.727.974.41,437,140604,128273,808131,50931,26217,195144,408
Toronto RaptorsToronto Raptors2146.480241.9100.341.821.87.75.114.137.382.945.07.620.936.118.123.577.0519,190215,31789,69846,86016,54210,99630,16246,681
Detroit PistonsDetroit Pistons5834.479241.6102.048.621.97.94.938.988.344.14.914.234.721.228.873.81,409,485595,098277,153127,88330,99219,410137,709
Orlando MagicOrlando Magic2639.468241.5100.642.821.97.54.815.037.783.145.46.919.435.418.325.073.3637,410265,515112,99757,80019,79012,60839,67055,662
Cleveland CavaliersCleveland Cavaliers4189.461241.6101.043.123.17.74.938.985.245.75.214.435.718.925.275.01,012,185422,914180,72396,86230,32919,16692,257
New Orleans PelicansNew Orleans Pelicans1604.461241.9100.542.822.37.54.714.037.983.445.47.421.035.517.322.776.3387,935161,16968,66435,80512,0367,53722,52732,614
Sacramento KingsSacramento Kings5841.454241.7104.648.023.58.34.640.088.745.05.114.435.521.628.874.91,411,690610,731274,420137,13532,63818,268140,551
Washington WizardsWashington Wizards4923.451241.7104.546.922.78.05.040.689.145.64.613.334.420.127.174.21,189,745514,432231,133111,58031,41919,613112,201
Charlotte HornetsCharlotte Hornets2549.442241.9100.241.723.37.84.814.437.583.145.26.217.335.619.025.175.6616,635255,473106,30959,50919,91712,15136,71052,846
Memphis GrizzliesMemphis Grizzlies2147.429241.998.041.721.78.15.114.936.981.945.16.217.934.817.924.074.9519,355210,39989,45946,67517,47210,87531,96745,478
Brooklyn NetsBrooklyn Nets3704.426241.7101.443.422.68.35.316.438.585.245.25.114.934.319.726.275.0895,110375,545160,85483,83230,70419,55760,75385,725
L.A. ClippersL.A. Clippers4196.417241.4103.143.322.98.15.339.785.746.34.914.134.919.726.574.11,012,715432,603181,70596,25832,02520,80296,159
Minnesota TimberwolvesMinnesota Timberwolves2630.399241.7100.241.923.27.75.014.738.083.745.45.415.734.318.824.577.0635,650263,474110,24660,90420,23313,19038,58057,190