| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 17:09 | 17:11 | -3 | 9 min | 502 044 | 19108 |
| 531 Willowbrook | 17:26 | 17:15 | +10½ | 24 min | 321 014 | 7477 |
| 531 Willowbrook | 17:44 | 17:42 | +1½ | 42 min | 321 025 | 18376 |
| 531 Willowbrook | 18:01 | 17:53 | +7½ | 59 min | 320 012 | 7488 |
| 531 Willowbrook | 18:19 | 18:22 | -3 | 77 min | 321 019 | 24105 |
| 531 Willowbrook | 18:38 | 18:28 | +9½ | 321 030 | 7453 | |
| 531 Willowbrook | 19:05 | 19:02 | +3 | 321 031 | 19112 | |
| 531 Willowbrook | 19:35 | 19:24 | +10½ | 321 014 | 7477 | |
| 531 Willowbrook | 20:04 | 20:02 | +1½ | 321 025 | 18376 | |
| 531 Willowbrook | 20:34 | 20:37 | -3 | 321 019 | 24105 | |
| 531 Willowbrook | 21:02 | 20:59 | +3 | 321 031 | 19112 | |
| 531 Willowbrook | 22:00 | 21:58 | +1½ | 321 025 | 18376 | |
| 531 Willowbrook | 22:59 | 22:59 | -1 | 321 007 | 18114 | |
| 531 Willowbrook | 23:59 | 23:57 | +1½ | 321 025 | 18376 | |
| 531 Willowbrook | 06:03 | 320 007 | ||||
| 531 Willowbrook | 06:33 | 320 022 | ||||
| 531 Willowbrook | 07:03 | 320 006 | ||||
| 531 Willowbrook | 07:34 | 320 020 | ||||
| 531 Willowbrook | 08:04 | 320 007 | ||||
| 531 Willowbrook | 08:34 | 320 022 | ||||
| 531 Willowbrook | 09:04 | 320 006 | ||||
| 531 Willowbrook | 09:35 | 320 020 | ||||
| 531 Willowbrook | 10:05 | 320 007 | ||||
| 531 Willowbrook | 10:36 | 320 022 | ||||
| 531 Willowbrook | 11:06 | 320 006 |