| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
4 Powell 4 Powell 4 To Blanca Loop 4 UBC Exchange | 06:22 | 19:39 | 13:17 | Sa (4/20-6/07) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 4 Powell | 06:22 | 07:04 | 00:42 | Sa (4/20-6/07) |
| 4 To Blanca Loop | 07:19 | 08:05 | 00:46 | Sa (4/20-6/07) |
| 4 Powell | 08:18 | 09:05 | 00:47 | Sa (4/20-6/07) |
| 4 UBC Exchange | 09:17 | 10:18 | 01:01 | Sa (4/20-6/07) |
| 4 Powell | 10:27 | 11:29 | 01:02 | Sa (4/20-6/07) |
| 4 UBC Exchange | 11:38 | 12:48 | 01:10 | Sa (4/20-6/07) |
| 4 Powell | 13:06 | 14:15 | 01:09 | Sa (4/20-6/07) |
| 4 UBC Exchange | 14:28 | 15:39 | 01:11 | Sa (4/20-6/07) |
| 4 Powell | 15:53 | 17:02 | 01:09 | Sa (4/20-6/07) |
| 4 UBC Exchange | 17:13 | 18:24 | 01:11 | Sa (4/20-6/07) |
| 4 Powell | 18:35 | 19:39 | 01:04 | Sa (4/20-6/07) |