Song: "Leaving On A Jet Plane"
Artist: Peter, Paul & Mary
Peak position on the Cashbox Singles chart: #2
Number of weeks on the Cashbox Singles chart: 8
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| December 27, 1969 | 2 | Leaving On A Jet Plane | Peter, Paul & Mary | Warner Bros.-7 Arts 7340 |
| January 3, 1970 | 3 | Leaving On A Jet Plane | Peter, Paul & Mary | Warner Bros.-7 Arts 7340 |
| January 10, 1970 | 3 | Leaving On A Jet Plane | Peter, Paul & Mary | Warner Bros.-7 Arts 7340 |
| January 17, 1970 | 8 | Leaving On A Jet Plane | Peter, Paul & Mary | Warner Bros.-7 Arts 7340 |
| January 24, 1970 | 12 | Leaving On A Jet Plane | Peter, Paul & Mary | Warner Bros.-7 Arts 7340 |
| January 31, 1970 | 22 | Leaving On A Jet Plane | Peter, Paul & Mary | Warner Bros.-7 Arts 7340 |
| February 7, 1970 | 29 | Leaving On A Jet Plane | Peter, Paul & Mary | Warner Bros.-7 Arts 7340 |
| February 14, 1970 | 57 | Leaving On A Jet Plane | Peter, Paul & Mary | Warner Bros.-7 Arts 7340 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.