| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 20:15 | 20:16 | -1½ | 9 min | 321 024 | 18122 |
| 531 Willowbrook | 20:43 | 20:42 | +1 | 36 min | 321 028 | 18383 |
| 531 Willowbrook | 21:12 | 21:12 | -0 | 65 min | 321 030 | 18137 |
| 531 Willowbrook | 22:10 | 22:11 | -1½ | 321 024 | 18122 | |
| 531 Willowbrook | 23:08 | 23:03 | +4½ | 321 005 | 9683 | |
| 531 Willowbrook | 24:08 | 24:09 | -1½ | 321 024 | 18122 | |
| 531 Willowbrook | 06:10 | 320 022 | ||||
| 531 Willowbrook | 06:40 | 320 037 | ||||
| 531 Willowbrook | 07:12 | 320 024 | ||||
| 531 Willowbrook | 07:45 | 320 036 | ||||
| 531 Willowbrook | 08:20 | 320 022 | ||||
| 531 Willowbrook | 08:51 | 320 037 | ||||
| 531 Willowbrook | 09:21 | 320 024 | ||||
| 531 Willowbrook | 09:53 | 320 075 | ||||
| 531 Willowbrook | 10:23 | 320 036 | ||||
| 531 Willowbrook | 10:53 | 320 022 | ||||
| 531 Willowbrook | 11:24 | 320 037 | ||||
| 531 Willowbrook | 11:54 | 320 024 | ||||
| 531 Willowbrook | 12:24 | 320 075 | ||||
| 531 Willowbrook | 12:54 | 320 036 | ||||
| 531 Willowbrook | 13:24 | 320 022 | ||||
| 531 Willowbrook | 13:54 | 320 037 | ||||
| 531 Willowbrook | 14:24 | 320 024 | ||||
| 531 Willowbrook | 14:54 | 320 075 | ||||
| 531 Willowbrook | 15:24 | 320 036 |