| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 16:05 | 16:00 | +4½ | 9 min | Block | 18101 |
| 531 Willowbrook | 16:25 | 16:18 | +6 | 29 min | Block | 19117 |
| 531 Willowbrook | 16:44 | 16:43 | +1 | 48 min | Block | 7495 |
| 531 Willowbrook | 16:59 | 16:59 | -1 | 63 min | Block | 7487 |
| 531 Willowbrook | 17:16 | 17:16 | -0½ | 80 min | Block | 18178 |
| 531 Willowbrook | 17:31 | 17:19 | +11 | Block | 24145 | |
| 531 Willowbrook | 17:51 | 17:39 | +11½ | Block | 18131 | |
| 531 Willowbrook | 18:10 | 18:07 | +2 | Block | 18380 | |
| 531 Willowbrook | 18:30 | 18:25 | +4½ | Block | 18101 | |
| 531 Willowbrook | 18:58 | 18:51 | +6 | Block | 19117 | |
| 531 Willowbrook | 19:28 | 19:28 | -0½ | Block | 18178 | |
| 531 Willowbrook | 19:58 | 19:46 | +11 | Block | 24145 | |
| 531 Willowbrook | 20:28 | 20:25 | +2 | Block | 18380 | |
| 531 Willowbrook | 20:56 | 20:49 | +6 | Block | 19117 | |
| 531 Willowbrook | 21:53 | 21:41 | +11 | Block | 24145 | |
| 531 Willowbrook | 22:52 | 22:36 | +16 | Block | 24117 | |
| 531 Willowbrook | 23:52 | 23:40 | +11 | Block | 24145 | |
| 531 Willowbrook | 05:52 | Block | ||||
| 531 Willowbrook | 06:08 | Block | ||||
| 531 Willowbrook | 06:23 | Block | ||||
| 531 Willowbrook | 06:38 | Block | ||||
| 531 Willowbrook | 06:55 | Block | ||||
| 531 Willowbrook | 07:10 | Block | ||||
| 531 Willowbrook | 07:25 | Block | ||||
| 531 Willowbrook | 07:41 | Block |