| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 10:08 | 10:09 | -1½ | 10 min | 321 014 | 7477 |
| 531 Willowbrook | 10:38 | 39 min | 321 025 | 18376 | ||
| 531 Willowbrook | 11:08 | 11:06 | +1 | 69 min | 321 019 | 24105 |
| 531 Willowbrook | 11:38 | 11:38 | -0½ | 321 030 | 7453 | |
| 531 Willowbrook | 12:08 | 12:02 | +6 | 321 022 | 18121 | |
| 531 Willowbrook | 12:36 | 12:34 | +1½ | 321 015 | 19139 | |
| 531 Willowbrook | 13:06 | 13:02 | +3½ | 320 012 | 7488 | |
| 531 Willowbrook | 13:36 | 13:36 | -0 | 321 028 | 9695 | |
| 531 Willowbrook | 14:01 | 13:45 | +15½ | 321 012 | 24134 | |
| 531 Willowbrook | 14:21 | 14:17 | +3½ | 321 010 | 7468 | |
| 531 Willowbrook | 14:41 | 502 044 | ||||
| 531 Willowbrook | 15:02 | 15:03 | -1½ | 321 014 | 7477 | |
| 531 Willowbrook | 15:22 | 321 025 | 18376 | |||
| 531 Willowbrook | 15:43 | 15:39 | +3½ | 320 012 | 7488 | |
| 531 Willowbrook | 16:03 | 16:01 | +1 | 321 019 | 24105 | |
| 531 Willowbrook | 16:23 | 16:23 | -0½ | 321 030 | 7453 | |
| 531 Willowbrook | 16:43 | 321 031 | ||||
| 531 Willowbrook | 16:59 | 16:53 | +6 | 321 022 | 18121 | |
| 531 Willowbrook | 17:17 | 502 044 | ||||
| 531 Willowbrook | 17:34 | 17:35 | -1½ | 321 014 | 7477 | |
| 531 Willowbrook | 17:52 | 321 025 | 18376 | |||
| 531 Willowbrook | 18:09 | 18:05 | +3½ | 320 012 | 7488 | |
| 531 Willowbrook | 18:26 | 18:24 | +1 | 321 019 | 24105 | |
| 531 Willowbrook | 18:45 | 18:45 | -0½ | 321 030 | 7453 | |
| 531 Willowbrook | 19:12 | 321 031 |