| | |
| | Season | W - L | Pct | Result | Home | Away | Neutral | OT | Playoffs | Pct | Result |
| | 1946-47 | 22 - 38 | .367 | 5th Place Eastern Division | 14 - 15 | 8 - 23 | 0 - 0 | 0 - 0 | 0 - 0 | .000 | Did Not Qualify |
| | 1947-48 | 20 - 28 | .417 | 3rd Place Eastern Division | 14 - 14 | 6 - 14 | 0 - 0 | 0 - 0 | 1 - 2 | .333 | Lost in 1st Round 2-1 to the Chicago Stags |
| | 1948-49 | 25 - 35 | .417 | 5th Place Eastern Division | 17 - 12 | 7 - 20 | 1 - 3 | 0 - 0 | 0 - 0 | .000 | Did Not Qualify |
| | 1949-50 | 22 - 46 | .324 | 6th Place Eastern Division | 12 - 14 | 5 - 28 | 5 - 4 | 0 - 1 | 0 - 0 | .000 | Did Not Qualify |
| | 1950-51 | 39 - 30 | .565 | 2nd Place Eastern Division | 25 - 5 | 10 - 23 | 4 - 2 | 0 - 1 | 0 - 2 | .000 | Lost in 1st Round 2-0 to the New York Knicks |
| | 1951-52 | 39 - 27 | .591 | 2nd Place Eastern Division | 22 - 7 | 10 - 19 | 7 - 1 | 0 - 1 | 1 - 2 | .333 | Lost in 1st Round 2-1 to the New York Knicks |
| | 1952-53 | 46 - 25 | .648 | 3rd Place Eastern Division | 21 - 3 | 11 - 18 | 14 - 4 | 2 - 0 | 3 - 3 | .500 | Lost in 2nd Round 3-1 to the New York Knicks |
| | 1953-54 | 42 - 30 | .583 | 2nd Place Eastern Division | 17 - 6 | 10 - 19 | 15 - 5 | 0 - 0 | 2 - 4 | .333 | Lost in 2nd Round 2-0 to the Syracuse Nationals |
| | 1954-55 | 36 - 36 | .500 | 3rd Place Eastern Division | 21 - 5 | 4 - 22 | 11 - 9 | 0 - 0 | 3 - 4 | .429 | Lost in 2nd Round 3-1 to the Syracuse Nationals |
| | 1955-56 | 39 - 33 | .542 | 2nd Place Eastern Division | 20 - 7 | 12 - 15 | 7 - 11 | 0 - 0 | 1 - 2 | .333 | Lost in 1st Round 2-1 to the Syracuse Nationals |
| | 1956-57 | 44 - 28 | .611 | 1st Place Eastern Division | 24 - 4 | 13 - 19 | 7 - 5 | 0 - 0 | 7 - 3 | .700 | Won 1st NBA Championship 4-3 versus the St. Louis Hawks |
| | 1957-58 | 49 - 23 | .681 | 1st Place Eastern Division | 25 - 4 | 17 - 13 | 7 - 6 | 1 - 0 | 6 - 5 | .545 | Lost in NBA Finals 4-2 to the St. Louis Hawks |
| | 1958-59 | 52 - 20 | .722 | 1st Place Eastern Division | 26 - 4 | 13 - 15 | 13 - 1 | 2 - 0 | 8 - 3 | .727 | Won 2nd NBA Championship 4-0 versus the Minneapolis Lakers |
| | 1959-60 | 59 - 16 | .787 | 1st Place Eastern Division | 25 - 2 | 24 - 9 | 10 - 5 | 1 - 0 | 8 - 5 | .615 | Won 3rd NBA Championship 4-3 versus the St. Louis Hawks |
| | 1960-61 | 57 - 22 | .722 | 1st Place Eastern Division | 21 - 7 | 24 - 11 | 12 - 4 | 0 - 1 | 8 - 2 | .800 | Won 4th NBA Championship 4-1 versus the St. Louis Hawks |
| | 1961-62 | 60 - 20 | .750 | 1st Place Eastern Division | 23 - 5 | 26 - 12 | 11 - 3 | 1 - 0 | 8 - 6 | .571 | Won 5th NBA Championship 4-3 versus the Los Angeles Lakers |
| | 1962-63 | 58 - 22 | .725 | 1st Place Eastern Division | 25 - 5 | 21 - 16 | 12 - 1 | 2 - 0 | 8 - 5 | .615 | Won 6th NBA Championship 4-2 versus the Los Angeles Lakers |
| | 1963-64 | 59 - 21 | .738 | 1st Place Eastern Division | 26 - 4 | 21 - 17 | 12 - 0 | 1 - 2 | 8 - 2 | .800 | Won 7th NBA Championship 4-1 versus the San Francisco Warriors |
| | 1964-65 | 62 - 18 | .775 | 1st Place Eastern Division | 27 - 3 | 27 - 11 | 8 - 4 | 0 - 0 | 8 - 4 | .667 | Won 8th NBA Championship 4-1 versus the Los Angeles Lakers |
| | 1965-66 | 54 - 26 | .675 | 2nd Place Eastern Division | 26 - 5 | 19 - 18 | 9 - 3 | 0 - 0 | 11 - 6 | .647 | Won 9th NBA Championship 4-3 versus the Los Angeles Lakers |
| | 1966-67 | 60 - 21 | .741 | 2nd Place Eastern Division | 27 - 4 | 25 - 11 | 8 - 6 | 5 - 1 | 4 - 5 | .444 | Lost in 2nd Round 4-1 to the Philadelphia 76ers |
| | 1967-68 | 54 - 28 | .659 | 2nd Place Eastern Division | 28 - 9 | 20 - 16 | 6 - 3 | 1 - 0 | 12 - 7 | .632 | Won 10th NBA Championship 4-2 versus the Los Angeles Lakers |
| | 1968-69 | 48 - 34 | .585 | 4th Place Eastern Division | 24 - 12 | 21 - 19 | 3 - 3 | 3 - 3 | 12 - 6 | .667 | Won 11th NBA Championship 4-3 versus the Los Angeles Lakers |
| | 1969-70 | 34 - 48 | .415 | 6th Place Eastern Division | 16 - 21 | 13 - 27 | 5 - 0 | 0 - 2 | 0 - 0 | .000 | Did Not Qualify |
| | 1970-71 | 44 - 38 | .537 | 3rd Place Atlantic Division | 25 - 14 | 18 - 22 | 1 - 2 | 1 - 1 | 0 - 0 | .000 | Did Not Qualify |
| | 1971-72 | 56 - 26 | .683 | 1st Place Atlantic Division | 32 - 9 | 21 - 16 | 3 - 1 | 0 - 0 | 5 - 6 | .455 | Lost in 2nd Round 4-1 to the New York Knicks |
| | 1972-73 | 68 - 14 | .829 | 1st Place Atlantic Division | 33 - 6 | 32 - 8 | 3 - 0 | 2 - 0 | 7 - 6 | .538 | Lost in 2nd Round 4-3 to the New York Knicks |
| | 1973-74 | 56 - 26 | .683 | 1st Place Atlantic Division | 26 - 6 | 21 - 18 | 9 - 2 | 3 - 0 | 12 - 6 | .667 | Won 12th NBA Championship 4-3 versus the Milwaukee Bucks |
| | 1974-75 | 60 - 22 | .732 | 1st Place Atlantic Division | 28 - 13 | 32 - 9 | 0 - 0 | 3 - 0 | 6 - 5 | .545 | Lost in 3rd Round 4-2 to the Washington Bullets |
| | 1975-76 | 54 - 28 | .659 | 1st Place Atlantic Division | 31 - 10 | 23 - 18 | 0 - 0 | 3 - 0 | 12 - 6 | .667 | Won 13th NBA Championship 4-2 versus the Phoenix Suns |
| | 1976-77 | 44 - 38 | .537 | 2nd Place Atlantic Division | 28 - 13 | 16 - 25 | 0 - 0 | 3 - 1 | 5 - 4 | .556 | Lost in 2nd Round 4-3 to the Philadelphia 76ers |
| | 1977-78 | 32 - 50 | .390 | 3rd Place Atlantic Division | 24 - 17 | 8 - 33 | 0 - 0 | 4 - 2 | 0 - 0 | .000 | Did Not Qualify |
| | 1978-79 | 29 - 53 | .354 | 5th Place Atlantic Division | 21 - 20 | 8 - 33 | 0 - 0 | 0 - 0 | 0 - 0 | .000 | Did Not Qualify |
| | 1979-80 | 61 - 21 | .744 | 1st Place Atlantic Division | 35 - 6 | 26 - 15 | 0 - 0 | 2 - 1 | 5 - 4 | .556 | Lost in 3rd Round 4-1 to the Philadelphia 76ers |
| | 1980-81 | 62 - 20 | .756 | 1st Place Atlantic Division | 35 - 6 | 27 - 14 | 0 - 0 | 1 - 2 | 12 - 5 | .706 | Won 14th NBA Championship 4-2 versus the Houston Rockets |
| | 1981-82 | 63 - 19 | .768 | 1st Place Atlantic Division | 35 - 6 | 28 - 13 | 0 - 0 | 3 - 1 | 7 - 5 | .583 | Lost in 3rd Round 4-3 to the Philadelphia 76ers |
| | 1982-83 | 56 - 26 | .683 | 2nd Place Atlantic Division | 33 - 8 | 23 - 18 | 0 - 0 | 1 - 1 | 2 - 5 | .286 | Lost in 2nd Round 4-0 to the Milwaukee Bucks |
| | 1983-84 | 62 - 20 | .756 | 1st Place Atlantic Division | 33 - 8 | 29 - 12 | 0 - 0 | 3 - 5 | 15 - 8 | .652 | Won 15th NBA Championship 4-3 versus the Los Angeles Lakers |
| | 1984-85 | 63 - 19 | .768 | 1st Place Atlantic Division | 35 - 6 | 28 - 13 | 0 - 0 | 0 - 1 | 13 - 8 | .619 | Lost in NBA Finals 4-2 versus the Los Angeles Lakers |
| | 1985-86 | 67 - 15 | .817 | 1st Place Atlantic Division | 40 - 1 | 27 - 14 | 0 - 0 | 3 - 3 | 15 - 3 | .833 | Won 16th NBA Championship 4-2 versus the Houston Rockets |
| | 1986-87 | 59 - 23 | .720 | 1st Place Atlantic Division | 39 - 2 | 20 - 21 | 0 - 0 | 2 - 3 | 13 - 10 | .565 | Lost in NBA Finals 4-2 versus the Los Angeles Lakers |
| | 1987-88 | 57 - 25 | .695 | 1st Place Atlantic Division | 36 - 5 | 21 - 20 | 0 - 0 | 2 - 0 | 9 - 8 | .529 | Lost in 3rd Round 4-2 to the Detroit Pistons |
| | 1988-89 | 42 - 40 | .512 | 3rd Place Atlantic Division | 32 - 9 | 10 - 31 | 0 - 0 | 2 - 2 | 0 - 3 | .000 | Lost in 1st Round 3-0 to the Detroit Pistons |
| | 1989-90 | 52 - 30 | .634 | 2nd Place Atlantic Division | 30 - 11 | 22 - 19 | 0 - 0 | 1 - 0 | 2 - 3 | .400 | Lost in 1st Round 3-2 to the New York Knicks |
| | 1990-91 | 56 - 26 | .683 | 1st Place Atlantic Division | 35 - 6 | 21 - 20 | 0 - 0 | 2 - 2 | 5 - 6 | .455 | Lost in 2nd Round 4-2 to the Detroit Pistons |
| | 1991-92 | 51 - 31 | .622 | 1st Place Atlantic Division | 34 - 7 | 17 - 24 | 0 - 0 | 2 - 1 | 6 - 4 | .600 | Lost in 2nd Round 4-3 to the Cleveland Cavaliers |
| | 1992-93 | 48 - 34 | .585 | 2nd Place Atlantic Division | 28 - 13 | 20 - 21 | 0 - 0 | 2 - 1 | 1 - 3 | .250 | Lost in 1st Round 3-1 to the Charlotte Hornets |
| | 1993-94 | 32 - 50 | .390 | 5th Place Atlantic Division | 18 - 23 | 14 - 27 | 0 - 0 | 5 - 2 | 0 - 0 | .000 | Did Not Qualify |
| | 1994-95 | 35 - 47 | .427 | 3rd Place Atlantic Division | 20 - 21 | 15 - 26 | 0 - 0 | 1 - 2 | 1 - 3 | .250 | Lost in 1st Round 3-1 to the Orlando Magic |
| | 1995-96 | 33 - 49 | .402 | 5th Place Atlantic Division | 18 - 23 | 15 - 26 | 0 - 0 | 2 - 4 | 0 - 0 | .000 | Did Not Qualify |
| | 1996-97 | 15 - 67 | .183 | 7th Place Atlantic Division | 11 - 30 | 4 - 37 | 0 - 0 | 2 - 5 | 0 - 0 | .000 | Did Not Qualify |
| | 1997-98 | 36 - 46 | .439 | 6th Place Atlantic Division | 24 - 17 | 12 - 29 | 0 - 0 | 1 - 1 | 0 - 0 | .000 | Did Not Qualify |
| | 1998-99 | 19 - 31 | .380 | 5th Place Atlantic Division | 10 - 15 | 9 - 16 | 0 - 0 | 1 - 2 | 0 - 0 | .000 | Did Not Qualify |
| | 1999-00 | 35 - 47 | .427 | 5th Place Atlantic Division | 26 - 15 | 9 - 32 | 0 - 0 | 0 - 1 | 0 - 0 | .000 | Did Not Qualify |
| | 2000-01 | 36 - 46 | .439 | 5th Place Atlantic Division | 20 - 21 | 16 - 25 | 0 - 0 | 4 - 2 | 0 - 0 | .000 | Did Not Qualify |
| | 2001-02 | 49 - 33 | .598 | 2nd Place Atlantic Division | 27 - 14 | 22 - 19 | 0 - 0 | 4 - 2 | 9 - 7 | .563 | Lost in 3rd Round 4-2 to the New Jersey Nets |
| | 2002-03 | 44 - 38 | .537 | 3rd Place Atlantic Division | 25 - 16 | 19 - 22 | 0 - 0 | 3 - 2 | 4 - 6 | .400 | Lost in 2nd Round 4-0 to the New Jersey Nets |
| | 2003-04 | 36 - 46 | .439 | 4th Place Atlantic Division | 19 - 22 | 17 - 24 | 0 - 0 | 0 - 1 | 0 - 4 | .000 | Lost in First Round 4-0 to the Indiana Pacers |
| | 2004-05 | 45 - 37 | .549 | 1st Place Atlantic Division | 27 - 14 | 18 - 23 | 0 - 0 | 4 - 2 | 3 - 4 | .429 | Lost in First Round 4-3 to the Indiana Pacers |
| | 2005-06 | 33 - 49 | .402 | 3rd Place Atlantic Division | 21 - 20 | 12 - 29 | 0 - 0 | 2 - 3 | 0 - 0 | .000 | Did Not Qualify |
| | 2006-07 | 24 - 58 | .293 | 5th Place Atlantic Division | 12 - 29 | 12 - 29 | 0 - 0 | 4 - 1 | 0 - 0 | .000 | Did Not Qualify |
| | 2007-08 | 66 - 16 | .805 | 1st Place Atlantic Division | 35 - 6 | 31 - 10 | 0 - 0 | 2 - 1 | 16 - 10 | .615 | Won 17th NBA Championship 4-2 versus the Los Angeles Lakers |
| | 2008-09 | 62 - 20 | .756 | 1st Place Atlantic Division | 35 - 6 | 27 - 14 | 0 - 0 | 5 - 2 | 7 - 7 | .500 | Lost in 2nd Round 4-3 to the Orlando Magic |
| | 2009-10 | 50 - 32 | .610 | 1st Place Atlantic Division | 24 - 17 | 26 - 15 | 0 - 0 | 3 - 1 | 15 - 9 | .625 | Lost in NBA Finals 4-3 versus the Los Angeles Lakers |
| | 2010-11 | 56 - 26 | .683 | 1st Place Atlantic Division | 33 - 8 | 23 - 18 | 0 - 0 | 3 - 1 | 5 - 4 | .556 | Lost in 2nd Round 4-1 to the Miami Heat |
| | 2011-12 | 12 - 10 | .545 | 2nd Place Atlantic Division | 8 - 6 | 4 - 4 | 0 - 0 | 0 - 0 | 0 - 0 | .000 | N/A |
| | Totals | 3,040 - 2,067 | .595 | | 1,667 - 702 | 1,170 - 1,277 | 203 - 88 | 110 - 74 | 331 - 240 | .580 | |
