| Regular Reason Results |
| Year |
| 2005 | 38 | 28 | 1st |
| 2006 | 30 | 36 | 3rd |
| 2007 | 20 | 46 | 5th |
| 2008 | 53 | 13 | 1st |
| 2009 | 48 | 18 | 1st |
| 2010 | 39 | 27 | 1st |
| 2011 | 48 | 18 | 1st |
| 2012 | 39 | 27 | 1st |
| 2013 | 37 | 29 | 2nd |
| 2014 | 24 | 42 | 4th |
| 2015 | 29 | 37 | 3rd |
| 2016 | 39 | 27 | 2nd |
| 2017 | 44 | 22 | 1st |
| 2018 | 46 | 20 | 2nd |
| 2019 | 41 | 25 | 3rd |
| 2020 | 43 | 23 | 2nd |
| 2021 | 35 | 31 | 3rd |
| 2022 | 42 | 24 | 2nd |
| 2023 | 45 | 21 | 1st |
| 2024 | 50 | 16 | 1st |
| 2025 | 48 | 18 | 1st |
| Total | 838 | 548 | |
| Postseason Results |
| Year |
Round |
Result |
| 2005 | 1st Round | Lost Philadelphia 3-4 |
| 2008 | 1st Round | Def. Atlanta 4-3 |
| 2nd Round | Def. Cleveland 4-3 |
| East Finals | Def. Detroit 4-2 |
| NBA Finals | Def. LA Lakers 4-2 |
| 2009 | 1st Round | Def. Chicago 4-3 |
| 2nd Round | Lost Orlando 3-4 |
| 2010 | 1st Round | Def. Miami 4-1 |
| 2nd Round | Def. Cleveland 4-2 |
| East Finals | Def. Orlando 4-2 |
| NBA Finals | Lost LA Lakers 3-4 |
| 2011 | 1st Round | Def. Philadelphia 4-2 |
| 2nd Round | Lost Orlando 2-4 |
| 2012 | 1st Round | Def. Atlanta 4-2 |
| 2nd Round | Def. Chicago 4-2 |
| East Finals | Lost Miami 3-4 |
| 2013 | 1st Round | Lost Brooklyn 3-4 |
| 2016 | 1st Round | Def. Atlanta 4-2 |
| 2nd Round | Lost Cleveland 1-4 |
| 2017 | 1st Round | Lost Chicago 2-4 |
| 2018 | 1st Round | Def. Milwaukee 4-3 |
| 2nd Round | Lost Cleveland 3-4 |
| 2019 | 1st Round | Def. Indiana 4-2 |
| 2nd Round | Lost Milwaukee 3-4 |
| 2020 | 1st Round | Def. Indiana 4-3 |
| 2nd Round | Def. Toronto 4-2 |
| East Finals | Lost Miami 2-4 |
| 2021 | 1st Round | Lost Miami 0-4 |
| 2022 | 1st Round | Def. Toronto 4-2 |
| 2nd Round | Lost Miami 1-4 |
| 2023 | 1st Round | Def. Miami 4-3 |
| 2nd Round | Def. Philadelphia 4-3 |
| East Finals | Def. New York 4-1 |
| NBA Finals | Lost Denver 2-4 |
| 2024 | 1st Round | Def. Miami 4-1 |
| 2nd Round | Def. New York 4-2 |
| East Finals | Def. Indiana 4-0 |
| NBA Finals | Def. Minnesota 4-1 |
| 2025 | 1st Round | Def. Orlando 4-1 |
| 2nd Round | Lost New York 2-4 |
| Records |
| 9 Division Titles |
| 4 Conference Titles |
| 2 NBA Titles |