| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
531 Willowbrook 531 White Rock Centre | 06:21 | 24:38 | 18:17 | Sa (6/23-8/31) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 531 White Rock Centre | 06:21 | 07:06 | 00:45 | Sa (6/23-8/31) |
| 531 Willowbrook | 07:18 | 08:07 | 00:49 | Sa (6/23-8/31) |
| 531 White Rock Centre | 08:21 | 09:10 | 00:49 | Sa (6/23-8/31) |
| 531 Willowbrook | 09:18 | 10:11 | 00:53 | Sa (6/23-8/31) |
| 531 White Rock Centre | 10:25 | 11:17 | 00:52 | Sa (6/23-8/31) |
| 531 Willowbrook | 11:46 | 12:41 | 00:55 | Sa (6/23-8/31) |
| 531 White Rock Centre | 12:59 | 13:53 | 00:54 | Sa (6/23-8/31) |
| 531 Willowbrook | 14:16 | 15:10 | 00:54 | Sa (6/23-8/31) |
| 531 White Rock Centre | 15:29 | 16:23 | 00:54 | Sa (6/23-8/31) |
| 531 Willowbrook | 16:46 | 17:41 | 00:55 | Sa (6/23-8/31) |
| 531 White Rock Centre | 17:59 | 18:50 | 00:51 | Sa (6/23-8/31) |
| 531 Willowbrook | 18:55 | 19:44 | 00:49 | Sa (6/23-8/31) |
| 531 White Rock Centre | 19:55 | 20:44 | 00:49 | Sa (6/23-8/31) |
| 531 Willowbrook | 20:54 | 21:41 | 00:47 | Sa (6/23-8/31) |
| 531 White Rock Centre | 21:50 | 22:38 | 00:48 | Sa (6/23-8/31) |
| 531 Willowbrook | 22:50 | 23:34 | 00:44 | Sa (6/23-8/31) |
| 531 White Rock Centre | 23:50 | 24:38 | 00:48 | Sa (6/23-8/31) |