| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 15:49 | 16:02 | -13½ | 4 min | 320 012 | 19129 |
| 531 Willowbrook | 16:19 | 16:42 | -23½ | 21 min | 320 004 | 18148 |
| 531 Willowbrook | 16:49 | 16:57 | -8½ | 51 min | 320 014 | 24120 |
| 531 Willowbrook | 17:17 | 17:17 | -0½ | 79 min | 320 002 | 18131 |
| 531 Willowbrook | 17:47 | 18:00 | -13½ | 320 012 | 19129 | |
| 531 Willowbrook | 18:17 | 18:40 | -23½ | 320 004 | 18148 | |
| 531 Willowbrook | 18:47 | 18:55 | -8½ | 320 014 | 24120 | |
| 531 Willowbrook | 19:16 | 19:16 | -0½ | 320 002 | 18131 | |
| 531 Willowbrook | 19:46 | 19:59 | -13½ | 320 012 | 19129 | |
| 531 Willowbrook | 20:15 | 20:38 | -23½ | 320 004 | 18148 | |
| 531 Willowbrook | 20:45 | 20:53 | -8½ | 320 014 | 24120 | |
| 531 Willowbrook | 21:14 | 21:14 | -0½ | 320 002 | 18131 | |
| 531 Willowbrook | 22:14 | 22:37 | -23½ | 320 004 | 18148 | |
| 531 Willowbrook | 23:14 | 23:14 | -0½ | 320 002 | 18131 | |
| 531 Willowbrook | 24:14 | 24:37 | -23½ | 320 004 | 18148 | |
| 531 Willowbrook | 06:12 | 320 004 | ||||
| 531 Willowbrook | 06:44 | 320 014 | ||||
| 531 Willowbrook | 07:14 | 320 002 | ||||
| 531 Willowbrook | 07:44 | 320 012 | ||||
| 531 Willowbrook | 08:14 | 320 004 | ||||
| 531 Willowbrook | 08:45 | 320 014 | ||||
| 531 Willowbrook | 09:15 | 320 002 | ||||
| 531 Willowbrook | 09:45 | 320 012 | ||||
| 531 Willowbrook | 10:16 | 320 004 | ||||
| 531 Willowbrook | 10:47 | 320 014 |