| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 15:32 | 15:29 | +3 | 17 min | Block | 18163 |
| 531 Willowbrook | 15:52 | 15:45 | +6 | 37 min | Block | 24105 |
| 531 Willowbrook | 16:12 | 16:13 | -1 | 57 min | Block | 24101 |
| 531 Willowbrook | 16:31 | 16:31 | -0 | 76 min | Block | 18193 |
| 531 Willowbrook | 16:51 | 16:33 | +17 | Block | 16110 | |
| 531 Willowbrook | 17:06 | 17:01 | +4½ | Block | 7449 | |
| 531 Willowbrook | 17:22 | 17:18 | +3½ | Block | 18365 | |
| 531 Willowbrook | 17:37 | 17:36 | +1 | Block | 24145 | |
| 531 Willowbrook | 17:57 | 17:54 | +3 | Block | 18163 | |
| 531 Willowbrook | 18:16 | 18:09 | +6 | Block | 24105 | |
| 531 Willowbrook | 18:36 | 18:37 | -1 | Block | 24101 | |
| 531 Willowbrook | 19:04 | 19:04 | -0 | Block | 18193 | |
| 531 Willowbrook | 19:33 | 19:29 | +3½ | Block | 18365 | |
| 531 Willowbrook | 20:03 | 20:02 | +1 | Block | 24145 | |
| 531 Willowbrook | 20:33 | 20:26 | +6 | Block | 24105 | |
| 531 Willowbrook | 21:01 | 21:01 | -0 | Block | 18193 | |
| 531 Willowbrook | 21:58 | 21:57 | +1 | Block | 24145 | |
| 531 Willowbrook | 22:57 | 22:55 | +1½ | Block | 24141 | |
| 531 Willowbrook | 23:57 | 23:56 | +1 | Block | 24145 | |
| 531 Willowbrook | 05:58 | Block | ||||
| 531 Willowbrook | 06:13 | Block | ||||
| 531 Willowbrook | 06:28 | Block | ||||
| 531 Willowbrook | 06:43 | Block | ||||
| 531 Willowbrook | 07:00 | Block | ||||
| 531 Willowbrook | 07:16 | Block |