| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 12:44 | 12:45 | -1 | 26 min | 320 012 | 7488 |
| 531 Willowbrook | 13:14 | 13:13 | +1 | 56 min | 321 028 | 9695 |
| 531 Willowbrook | 13:38 | 13:31 | +6½ | 80 min | 321 012 | 24134 |
| 531 Willowbrook | 13:58 | 13:55 | +2½ | 321 010 | 7468 | |
| 531 Willowbrook | 14:18 | 502 044 | ||||
| 531 Willowbrook | 14:38 | 14:39 | -1½ | 321 014 | 7477 | |
| 531 Willowbrook | 14:58 | 14:53 | +4½ | 321 025 | 18376 | |
| 531 Willowbrook | 15:18 | 15:19 | -1 | 320 012 | 7488 | |
| 531 Willowbrook | 15:38 | 15:40 | -2 | 321 019 | 24105 | |
| 531 Willowbrook | 15:58 | 15:53 | +5 | 321 030 | 7453 | |
| 531 Willowbrook | 16:18 | 321 031 | ||||
| 531 Willowbrook | 16:36 | 16:35 | +0 | 321 022 | 18121 | |
| 531 Willowbrook | 16:54 | 502 044 | ||||
| 531 Willowbrook | 17:12 | 17:13 | -1½ | 321 014 | 7477 | |
| 531 Willowbrook | 17:30 | 17:25 | +4½ | 321 025 | 18376 | |
| 531 Willowbrook | 17:48 | 17:49 | -1 | 320 012 | 7488 | |
| 531 Willowbrook | 18:06 | 18:08 | -2 | 321 019 | 24105 | |
| 531 Willowbrook | 18:25 | 18:20 | +5 | 321 030 | 7453 | |
| 531 Willowbrook | 18:52 | 321 031 | ||||
| 531 Willowbrook | 19:22 | 19:23 | -1½ | 321 014 | 7477 | |
| 531 Willowbrook | 19:52 | 19:47 | +4½ | 321 025 | 18376 | |
| 531 Willowbrook | 20:22 | 20:24 | -2 | 321 019 | 24105 | |
| 531 Willowbrook | 20:50 | 321 031 | ||||
| 531 Willowbrook | 21:48 | 21:43 | +4½ | 321 025 | 18376 | |
| 531 Willowbrook | 22:47 | 22:48 | -1½ | 321 007 | 18114 |