| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 15:23 | 10 min | Block | 18378 | ||
| 531 Willowbrook | 15:43 | 15:39 | +3½ | 30 min | Block | 18118 |
| 531 Willowbrook | 16:03 | 16:10 | -7½ | 50 min | Block | 19138 |
| 531 Willowbrook | 16:22 | 16:21 | +0 | 69 min | Block | 18142 |
| 531 Willowbrook | 16:40 | 16:27 | +13 | 87 min | Block | 19118 |
| 531 Willowbrook | 16:58 | 16:53 | +4½ | Block | 24108 | |
| 531 Willowbrook | 17:16 | 17:09 | +7 | Block | 18124 | |
| 531 Willowbrook | 17:36 | 17:38 | -2 | Block | 18126 | |
| 531 Willowbrook | 17:56 | Block | 18378 | |||
| 531 Willowbrook | 18:15 | 18:11 | +3½ | Block | 18118 | |
| 531 Willowbrook | 18:35 | 18:42 | -7½ | Block | 19138 | |
| 531 Willowbrook | 18:55 | 18:54 | +0 | Block | 18142 | |
| 531 Willowbrook | 19:25 | 19:18 | +7 | Block | 18124 | |
| 531 Willowbrook | 19:55 | 19:57 | -2 | Block | 18126 | |
| 531 Willowbrook | 20:25 | 20:21 | +3½ | Block | 18118 | |
| 531 Willowbrook | 20:55 | 20:54 | +0 | Block | 18142 | |
| 531 Willowbrook | 21:53 | 21:55 | -2 | Block | 18126 | |
| 531 Willowbrook | 22:51 | 22:45 | +5½ | Block | 16111 | |
| 531 Willowbrook | 23:51 | 23:53 | -2 | Block | 18126 | |
| 531 Willowbrook | 05:55 | Block | ||||
| 531 Willowbrook | 06:28 | Block | ||||
| 531 Willowbrook | 06:58 | Block | ||||
| 531 Willowbrook | 07:28 | Block | ||||
| 531 Willowbrook | 07:59 | Block | ||||
| 531 Willowbrook | 08:29 | Block |