| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
531 WILLOWBROOK 531 WHITE ROCK CTR | 06:20 | 21:03 | 14:43 | Sa (4/06-6/21) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 531 WILLOWBROOK | 06:20 | 07:01 | 00:41 | Sa (4/06-6/21) |
| 531 WHITE ROCK CTR | 07:20 | 08:04 | 00:44 | Sa (4/06-6/21) |
| 531 WILLOWBROOK | 08:20 | 09:05 | 00:45 | Sa (4/06-6/21) |
| 531 WHITE ROCK CTR | 09:20 | 10:08 | 00:48 | Sa (4/06-6/21) |
| 531 WILLOWBROOK | 10:20 | 11:11 | 00:51 | Sa (4/06-6/21) |
| 531 WHITE ROCK CTR | 11:20 | 12:12 | 00:52 | Sa (4/06-6/21) |
| 531 WILLOWBROOK | 12:20 | 13:12 | 00:52 | Sa (4/06-6/21) |
| 531 WHITE ROCK CTR | 13:20 | 14:15 | 00:55 | Sa (4/06-6/21) |
| 531 WILLOWBROOK | 14:20 | 15:13 | 00:53 | Sa (4/06-6/21) |
| 531 WHITE ROCK CTR | 15:20 | 16:13 | 00:53 | Sa (4/06-6/21) |
| 531 WILLOWBROOK | 16:20 | 17:09 | 00:49 | Sa (4/06-6/21) |
| 531 WHITE ROCK CTR | 17:20 | 18:10 | 00:50 | Sa (4/06-6/21) |
| 531 WILLOWBROOK | 18:20 | 19:05 | 00:45 | Sa (4/06-6/21) |
| 531 WHITE ROCK CTR | 19:20 | 20:08 | 00:48 | Sa (4/06-6/21) |
| 531 WILLOWBROOK | 20:20 | 21:03 | 00:43 | Sa (4/06-6/21) |