| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 12:46 | 12:48 | -2½ | 26 min | 321 014 | 9670 |
| 531 Willowbrook | 13:16 | 12:55 | +21 | 54 min | 320 015 | 9663 |
| 531 Willowbrook | 13:46 | 13:54 | -9 | 84 min | 321 026 | 16104 |
| 531 Willowbrook | 14:07 | 14:05 | +1 | 321 013 | 19129 | |
| 531 Willowbrook | 14:26 | 14:22 | +3 | 321 008 | 18381 | |
| 531 Willowbrook | 14:49 | 502 022 | ||||
| 531 Willowbrook | 15:10 | 15:12 | -3 | 321 010 | 19101 | |
| 531 Willowbrook | 15:30 | 15:28 | +1 | 321 024 | 18365 | |
| 531 Willowbrook | 15:50 | 15:29 | +21 | 320 015 | 9663 | |
| 531 Willowbrook | 16:10 | 16:12 | -2½ | 321 028 | 24140 | |
| 531 Willowbrook | 16:30 | 16:30 | -1 | 321 020 | 9652 | |
| 531 Willowbrook | 16:48 | 321 030 | ||||
| 531 Willowbrook | 17:05 | 16:57 | +7½ | 321 022 | 24146 | |
| 531 Willowbrook | 17:24 | 502 022 | ||||
| 531 Willowbrook | 17:41 | 17:43 | -3 | 321 010 | 19101 | |
| 531 Willowbrook | 18:01 | 17:59 | +1 | 321 024 | 18365 | |
| 531 Willowbrook | 18:20 | 17:59 | +21 | 320 015 | 9663 | |
| 531 Willowbrook | 18:39 | 18:41 | -2½ | 321 028 | 24140 | |
| 531 Willowbrook | 18:59 | 18:59 | -1 | 321 020 | 9652 | |
| 531 Willowbrook | 19:18 | 321 030 | ||||
| 531 Willowbrook | 19:48 | 19:50 | -3 | 321 010 | 19101 | |
| 531 Willowbrook | 20:18 | 20:16 | +1 | 321 024 | 18365 | |
| 531 Willowbrook | 20:46 | 20:48 | -2½ | 321 028 | 24140 | |
| 531 Willowbrook | 21:14 | 321 030 | ||||
| 531 Willowbrook | 22:12 | 22:10 | +1 | 321 024 | 18365 |