Song: "Why Can't We Be Friends"
Artist: War
Peak position on the Cashbox Singles chart: #5
Number of weeks on the Cashbox Singles chart: 21
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| May 3, 1975 | 88 | Why Can't We Be Friends | War | United Artists 629 |
| May 10, 1975 | 72 | Why Can't We Be Friends | War | United Artists 629 |
| May 17, 1975 | 61 | Why Can't We Be Friends | War | United Artists 629 |
| May 24, 1975 | 54 | Why Can't We Be Friends | War | United Artists 629 |
| May 31, 1975 | 49 | Why Can't We Be Friends | War | United Artists 629 |
| June 7, 1975 | 41 | Why Can't We Be Friends | War | United Artists 629 |
| June 14, 1975 | 36 | Why Can't We Be Friends | War | United Artists 629 |
| June 21, 1975 | 31 | Why Can't We Be Friends | War | United Artists 629 |
| June 28, 1975 | 26 | Why Can't We Be Friends | War | United Artists 629 |
| July 5, 1975 | 19 | Why Can't We Be Friends | War | United Artists 629 |
| July 12, 1975 | 15 | Why Can't We Be Friends | War | United Artists 629 |
| July 19, 1975 | 13 | Why Can't We Be Friends | War | United Artists 629 |
| July 26, 1975 | 11 | Why Can't We Be Friends | War | United Artists 629 |
| August 2, 1975 | 9 | Why Can't We Be Friends | War | United Artists 629 |
| August 9, 1975 | 6 | Why Can't We Be Friends | War | United Artists 629 |
| August 16, 1975 | 5 | Why Can't We Be Friends | War | United Artists 629 |
| August 23, 1975 | 5 | Why Can't We Be Friends | War | United Artists 629 |
| August 30, 1975 | 6 | Why Can't We Be Friends | War | United Artists 629 |
| September 6, 1975 | 17 | Why Can't We Be Friends | War | United Artists 629 |
| September 13, 1975 | 32 | Why Can't We Be Friends | War | United Artists 629 |
| September 20, 1975 | 55 | Why Can't We Be Friends | War | United Artists 629 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.