| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 15:24 | 14:36 | +47½ | now | 320 012 | 18369 |
| 531 Willowbrook | 15:44 | 15:32 | +11 | 17 min | 321 019 | 19113 |
| 531 Willowbrook | 16:04 | 16:09 | -5 | 37 min | 321 030 | 24110 |
| 531 Willowbrook | 16:23 | 16:27 | -4½ | 56 min | 321 031 | 24132 |
| 531 Willowbrook | 16:41 | 16:40 | +0 | 74 min | 321 022 | 24138 |
| 531 Willowbrook | 16:59 | 16:50 | +8½ | 502 044 | 7468 | |
| 531 Willowbrook | 17:17 | 17:18 | -2 | 321 014 | 19108 | |
| 531 Willowbrook | 17:35 | 321 025 | 9695 | |||
| 531 Willowbrook | 17:52 | 17:04 | +47½ | 320 012 | 18369 | |
| 531 Willowbrook | 18:10 | 17:58 | +11 | 321 019 | 19113 | |
| 531 Willowbrook | 18:29 | 18:34 | -5 | 321 030 | 24110 | |
| 531 Willowbrook | 18:57 | 19:01 | -4½ | 321 031 | 24132 | |
| 531 Willowbrook | 19:26 | 19:27 | -2 | 321 014 | 19108 | |
| 531 Willowbrook | 19:56 | 321 025 | 9695 | |||
| 531 Willowbrook | 20:26 | 20:14 | +11 | 321 019 | 19113 | |
| 531 Willowbrook | 20:54 | 20:58 | -4½ | 321 031 | 24132 | |
| 531 Willowbrook | 21:52 | 321 025 | 9695 | |||
| 531 Willowbrook | 22:51 | 22:51 | -0½ | 321 007 | 18106 | |
| 531 Willowbrook | 23:51 | 321 025 | 9695 | |||
| 531 Willowbrook | 05:56 | 320 007 | ||||
| 531 Willowbrook | 06:26 | 320 022 | ||||
| 531 Willowbrook | 06:56 | 320 006 | ||||
| 531 Willowbrook | 07:26 | 320 020 | ||||
| 531 Willowbrook | 07:56 | 320 007 | ||||
| 531 Willowbrook | 08:26 | 320 022 |