| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 15:16 | 15:18 | -2 | 5 min | Block | 18126 |
| 531 Willowbrook | 15:36 | 23 min | Block | 18378 | ||
| 531 Willowbrook | 15:56 | 15:52 | +3½ | 43 min | Block | 18118 |
| 531 Willowbrook | 16:16 | 16:23 | -7½ | 63 min | Block | 19138 |
| 531 Willowbrook | 16:35 | 16:34 | +0 | 82 min | Block | 18142 |
| 531 Willowbrook | 16:53 | 16:40 | +13 | Block | 19118 | |
| 531 Willowbrook | 17:11 | 17:06 | +4½ | Block | 24108 | |
| 531 Willowbrook | 17:28 | 17:21 | +7 | Block | 18124 | |
| 531 Willowbrook | 17:48 | 17:50 | -2 | Block | 18126 | |
| 531 Willowbrook | 18:08 | Block | 18378 | |||
| 531 Willowbrook | 18:27 | 18:23 | +3½ | Block | 18118 | |
| 531 Willowbrook | 18:47 | 18:54 | -7½ | Block | 19138 | |
| 531 Willowbrook | 19:06 | 19:05 | +0 | Block | 18142 | |
| 531 Willowbrook | 19:36 | 19:29 | +7 | Block | 18124 | |
| 531 Willowbrook | 20:06 | 20:08 | -2 | Block | 18126 | |
| 531 Willowbrook | 20:35 | 20:31 | +3½ | Block | 18118 | |
| 531 Willowbrook | 21:05 | 21:04 | +0 | Block | 18142 | |
| 531 Willowbrook | 22:03 | 22:05 | -2 | Block | 18126 | |
| 531 Willowbrook | 23:01 | 22:55 | +5½ | Block | 16111 | |
| 531 Willowbrook | 24:01 | 24:03 | -2 | Block | 18126 | |
| 531 Willowbrook | 06:04 | Block | ||||
| 531 Willowbrook | 06:37 | Block | ||||
| 531 Willowbrook | 07:07 | Block | ||||
| 531 Willowbrook | 07:38 | Block | ||||
| 531 Willowbrook | 08:09 | Block |