| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 19:31 | 19:40 | -10 | 8 min | 321 014 | 18115 |
| 531 Willowbrook | 20:01 | 20:02 | -1½ | 29 min | 321 025 | 18112 |
| 531 Willowbrook | 20:31 | 20:32 | -1½ | 59 min | 321 019 | 18128 |
| 531 Willowbrook | 20:58 | 20:55 | +2 | 86 min | 321 031 | 18205 |
| 531 Willowbrook | 21:56 | 21:57 | -1½ | 321 025 | 18112 | |
| 531 Willowbrook | 22:55 | 22:54 | +0½ | 321 007 | 19143 | |
| 531 Willowbrook | 23:55 | 23:56 | -1½ | 321 025 | 18112 | |
| 531 Willowbrook | 06:00 | 320 007 | ||||
| 531 Willowbrook | 06:30 | 320 022 | ||||
| 531 Willowbrook | 07:00 | 320 006 | ||||
| 531 Willowbrook | 07:30 | 320 020 | ||||
| 531 Willowbrook | 08:01 | 320 007 | ||||
| 531 Willowbrook | 08:31 | 320 022 | ||||
| 531 Willowbrook | 09:01 | 320 006 | ||||
| 531 Willowbrook | 09:31 | 320 020 | ||||
| 531 Willowbrook | 10:01 | 320 007 | ||||
| 531 Willowbrook | 10:32 | 320 022 | ||||
| 531 Willowbrook | 11:02 | 320 006 | ||||
| 531 Willowbrook | 11:32 | 320 061 | ||||
| 531 Willowbrook | 12:01 | 320 020 | ||||
| 531 Willowbrook | 12:30 | 320 007 | ||||
| 531 Willowbrook | 12:59 | 320 022 | ||||
| 531 Willowbrook | 13:29 | 320 006 | ||||
| 531 Willowbrook | 13:59 | 320 061 | ||||
| 531 Willowbrook | 14:29 | 320 020 |