| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 10:02 | 10:04 | -3 | 10 min | 321 016 | 18369 |
| 531 Willowbrook | 10:32 | 10:35 | -3½ | 38 min | 321 024 | 19103 |
| 531 Willowbrook | 11:02 | 11:00 | +1 | 68 min | 321 020 | 18381 |
| 531 Willowbrook | 11:32 | 321 022 | 24139 | |||
| 531 Willowbrook | 12:02 | 11:58 | +3 | 321 023 | 18102 | |
| 531 Willowbrook | 12:31 | 12:24 | +6 | 321 015 | 9690 | |
| 531 Willowbrook | 13:01 | 12:57 | +3 | 320 017 | 24132 | |
| 531 Willowbrook | 13:31 | 13:25 | +6 | 321 029 | 24114 | |
| 531 Willowbrook | 13:55 | 13:40 | +14½ | 321 014 | 18157 | |
| 531 Willowbrook | 14:15 | 14:14 | +0½ | 321 010 | 18375 | |
| 531 Willowbrook | 14:35 | 502 045 | ||||
| 531 Willowbrook | 14:56 | 14:58 | -3 | 321 016 | 18369 | |
| 531 Willowbrook | 15:16 | 15:19 | -3½ | 321 024 | 19103 | |
| 531 Willowbrook | 15:37 | 15:33 | +3 | 320 017 | 24132 | |
| 531 Willowbrook | 15:57 | 15:55 | +1 | 321 020 | 18381 | |
| 531 Willowbrook | 16:17 | 321 022 | 24139 | |||
| 531 Willowbrook | 16:36 | 321 031 | ||||
| 531 Willowbrook | 16:53 | 16:49 | +3 | 321 023 | 18102 | |
| 531 Willowbrook | 17:11 | 502 045 | ||||
| 531 Willowbrook | 17:29 | 17:31 | -3 | 321 016 | 18369 | |
| 531 Willowbrook | 17:47 | 17:50 | -3½ | 321 024 | 19103 | |
| 531 Willowbrook | 18:04 | 18:00 | +3 | 320 017 | 24132 | |
| 531 Willowbrook | 18:21 | 18:19 | +1 | 321 020 | 18381 | |
| 531 Willowbrook | 18:40 | 321 022 | 24139 | |||
| 531 Willowbrook | 19:07 | 321 031 |