| Headsign | Start | End | Duration | Service days |
|---|
| 4 Powell | 11:33 | 11:52 | 00:19 | Su (6/23-8/31) +7/01 +8/04 |
| 4 UBC | 12:03 | 13:10 | 01:07 | Su (6/23-8/31) +7/01 +8/04 |
| 4 Powell | 13:20 | 14:22 | 01:02 | Su (6/23-8/31) +7/01 +8/04 |
| 4 UBC | 14:32 | 15:39 | 01:07 | Su (6/23-8/31) +7/01 +8/04 |
| 4 Powell | 15:47 | 16:49 | 01:02 | Su (6/23-8/31) +7/01 +8/04 |