| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 09:56 | 09:58 | -3 | 3 min | 321 016 | 18369 |
| 531 Willowbrook | 10:26 | 10:29 | -4 | 31 min | 321 024 | 19103 |
| 531 Willowbrook | 10:56 | 10:54 | +1½ | 61 min | 321 020 | 18381 |
| 531 Willowbrook | 11:26 | 321 022 | 24139 | |||
| 531 Willowbrook | 11:56 | 11:52 | +3½ | 321 023 | 18102 | |
| 531 Willowbrook | 12:24 | 12:18 | +6 | 321 015 | 9690 | |
| 531 Willowbrook | 12:54 | 12:51 | +3 | 320 017 | 24132 | |
| 531 Willowbrook | 13:24 | 13:18 | +5½ | 321 029 | 24114 | |
| 531 Willowbrook | 13:49 | 13:34 | +14½ | 321 014 | 18157 | |
| 531 Willowbrook | 14:09 | 14:07 | +1 | 321 010 | 18375 | |
| 531 Willowbrook | 14:29 | 502 045 | ||||
| 531 Willowbrook | 14:49 | 14:51 | -3 | 321 016 | 18369 | |
| 531 Willowbrook | 15:09 | 15:12 | -4 | 321 024 | 19103 | |
| 531 Willowbrook | 15:30 | 15:27 | +3 | 320 017 | 24132 | |
| 531 Willowbrook | 15:50 | 15:48 | +1½ | 321 020 | 18381 | |
| 531 Willowbrook | 16:10 | 321 022 | 24139 | |||
| 531 Willowbrook | 16:29 | 321 031 | ||||
| 531 Willowbrook | 16:47 | 16:43 | +3½ | 321 023 | 18102 | |
| 531 Willowbrook | 17:05 | 502 045 | ||||
| 531 Willowbrook | 17:22 | 17:24 | -3 | 321 016 | 18369 | |
| 531 Willowbrook | 17:40 | 17:43 | -4 | 321 024 | 19103 | |
| 531 Willowbrook | 17:58 | 17:55 | +3 | 320 017 | 24132 | |
| 531 Willowbrook | 18:15 | 18:13 | +1½ | 321 020 | 18381 | |
| 531 Willowbrook | 18:34 | 321 022 | 24139 | |||
| 531 Willowbrook | 19:02 | 321 031 |