| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 16:27 | 16:23 | +3½ | 9 min | 321 030 | 19104 |
| 531 Willowbrook | 16:46 | 16:39 | +6½ | 32 min | 321 031 | 18115 |
| 531 Willowbrook | 17:03 | 16:58 | +4½ | 49 min | 321 022 | 24148 |
| 531 Willowbrook | 17:21 | 17:16 | +4½ | 67 min | 502 044 | 18361 |
| 531 Willowbrook | 17:37 | 17:38 | -1½ | 83 min | 321 014 | 16105 |
| 531 Willowbrook | 17:55 | 321 025 | 18373 | |||
| 531 Willowbrook | 18:12 | 18:11 | +0½ | 320 012 | 19119 | |
| 531 Willowbrook | 18:29 | 18:29 | +0 | 321 019 | 24147 | |
| 531 Willowbrook | 18:48 | 18:44 | +3½ | 321 030 | 19104 | |
| 531 Willowbrook | 19:15 | 19:08 | +6½ | 321 031 | 18115 | |
| 531 Willowbrook | 19:44 | 19:45 | -1½ | 321 014 | 16105 | |
| 531 Willowbrook | 20:13 | 321 025 | 18373 | |||
| 531 Willowbrook | 20:43 | 20:43 | +0 | 321 019 | 24147 | |
| 531 Willowbrook | 21:11 | 21:04 | +6½ | 321 031 | 18115 | |
| 531 Willowbrook | 22:09 | 321 025 | 18373 | |||
| 531 Willowbrook | 23:08 | 23:05 | +2½ | 321 007 | 18106 | |
| 531 Willowbrook | 24:08 | 321 025 | 18373 | |||
| 531 Willowbrook | 06:11 | 320 007 | ||||
| 531 Willowbrook | 06:41 | 320 022 | ||||
| 531 Willowbrook | 07:12 | 320 006 | ||||
| 531 Willowbrook | 07:43 | 320 020 | ||||
| 531 Willowbrook | 08:13 | 320 007 | ||||
| 531 Willowbrook | 08:43 | 320 022 | ||||
| 531 Willowbrook | 09:13 | 320 006 | ||||
| 531 Willowbrook | 09:44 | 320 020 |