| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 16:27 | 16:27 | -0½ | 9 min | 321 022 | 24106 |
| 531 Willowbrook | 16:46 | 16:46 | -0½ | 28 min | 321 031 | 16130 |
| 531 Willowbrook | 17:03 | 16:58 | +4½ | 45 min | 321 023 | 19129 |
| 531 Willowbrook | 17:21 | 17:22 | -1 | 63 min | 502 045 | 9685 |
| 531 Willowbrook | 17:38 | 17:41 | -3½ | 80 min | 321 016 | 16102 |
| 531 Willowbrook | 17:56 | 18:01 | -5½ | 321 024 | 18387 | |
| 531 Willowbrook | 18:13 | 18:13 | -0½ | 320 017 | 18367 | |
| 531 Willowbrook | 18:29 | 18:19 | +9½ | 321 020 | 19124 | |
| 531 Willowbrook | 18:48 | 18:48 | -0½ | 321 022 | 24106 | |
| 531 Willowbrook | 19:15 | 19:15 | -0½ | 321 031 | 16130 | |
| 531 Willowbrook | 19:45 | 19:48 | -3½ | 321 016 | 16102 | |
| 531 Willowbrook | 20:14 | 20:19 | -5½ | 321 024 | 18387 | |
| 531 Willowbrook | 20:44 | 20:34 | +9½ | 321 020 | 19124 | |
| 531 Willowbrook | 21:11 | 21:11 | -0½ | 321 031 | 16130 | |
| 531 Willowbrook | 22:09 | 22:14 | -5½ | 321 024 | 18387 | |
| 531 Willowbrook | 23:08 | 23:07 | +0½ | 321 007 | 18369 | |
| 531 Willowbrook | 24:08 | 24:13 | -5½ | 321 024 | 18387 | |
| 531 Willowbrook | 06:11 | 320 026 | ||||
| 531 Willowbrook | 06:41 | 320 041 | ||||
| 531 Willowbrook | 07:12 | 320 025 | ||||
| 531 Willowbrook | 07:43 | 320 039 | ||||
| 531 Willowbrook | 08:14 | 320 026 | ||||
| 531 Willowbrook | 08:44 | 320 041 | ||||
| 531 Willowbrook | 09:15 | 320 025 | ||||
| 531 Willowbrook | 09:46 | 320 039 |