| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 15:55 | 15:44 | +10½ | 3 min | Block | 9668 |
| 531 Willowbrook | 16:15 | 16:12 | +2½ | 23 min | Block | 9788 |
| 531 Willowbrook | 16:33 | 16:36 | -3½ | 41 min | Block | 19101 |
| 531 Willowbrook | 16:51 | 14:47 | +123½ | 59 min | Block | 18138 |
| 531 Willowbrook | 17:09 | 17:09 | -0½ | 77 min | Block | 19146 |
| 531 Willowbrook | 17:27 | 17:38 | -11 | Block | 24111 | |
| 531 Willowbrook | 17:45 | 17:42 | +2½ | Block | 24112 | |
| 531 Willowbrook | 18:05 | 18:10 | -5 | Block | 18151 | |
| 531 Willowbrook | 18:25 | 18:14 | +10½ | Block | 9668 | |
| 531 Willowbrook | 18:49 | 18:46 | +2½ | Block | 9788 | |
| 531 Willowbrook | 19:19 | 19:19 | -0½ | Block | 19146 | |
| 531 Willowbrook | 19:49 | 20:00 | -11 | Block | 24111 | |
| 531 Willowbrook | 20:19 | 20:24 | -5 | Block | 18151 | |
| 531 Willowbrook | 20:48 | 20:45 | +2½ | Block | 9788 | |
| 531 Willowbrook | 21:46 | 21:57 | -11 | Block | 24111 | |
| 531 Willowbrook | 22:45 | 22:54 | -9½ | Block | 16107 | |
| 531 Willowbrook | 23:45 | 23:56 | -11 | Block | 24111 | |
| 531 Willowbrook | 05:45 | Block | ||||
| 531 Willowbrook | 06:01 | Block | ||||
| 531 Willowbrook | 06:17 | Block | ||||
| 531 Willowbrook | 06:32 | Block | ||||
| 531 Willowbrook | 06:47 | Block | ||||
| 531 Willowbrook | 07:02 | Block | ||||
| 531 Willowbrook | 07:14 | Block | ||||
| 531 Willowbrook | 07:26 | Block |