Old Days by Chicago first appeared on the Israeli foreign-music chart on 25 May 1975, entering at #23. It peaked at #16 on 8 Jun 1975. In total it spent 4 weeks on the chart, last charting on 15 Jun 1975.
| Wk | Date | Pos |
|---|---|---|
| 1 | 25 May 1975 | 23 |
| 2 | 1 Jun 1975 | 20 |
| 3 | 8 Jun 1975 | 16 |
| 4 | 15 Jun 1975 | 23 |