| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 16:53 | 16:58 | -6 | 5 min | Block | 19129 |
| 531 Willowbrook | 17:08 | 17:08 | -0½ | 15 min | Block | 24121 |
| 531 Willowbrook | 17:24 | 17:23 | +1 | 31 min | Block | 18128 |
| 531 Willowbrook | 17:39 | 17:35 | +3 | 46 min | Block | 19135 |
| 531 Willowbrook | 17:59 | 17:56 | +2½ | 66 min | Block | 19102 |
| 531 Willowbrook | 18:18 | 18:17 | +0½ | 85 min | Block | 24137 |
| 531 Willowbrook | 18:38 | 18:31 | +6 | Block | 18112 | |
| 531 Willowbrook | 19:06 | 19:00 | +6 | Block | 18146 | |
| 531 Willowbrook | 19:35 | 19:34 | +1 | Block | 18128 | |
| 531 Willowbrook | 20:05 | 20:01 | +3 | Block | 19135 | |
| 531 Willowbrook | 20:35 | 20:34 | +0½ | Block | 24137 | |
| 531 Willowbrook | 21:03 | 20:57 | +6 | Block | 18146 | |
| 531 Willowbrook | 22:00 | 21:56 | +3 | Block | 19135 | |
| 531 Willowbrook | 22:59 | 22:57 | +1½ | Block | 18178 | |
| 531 Willowbrook | 23:59 | 23:55 | +3 | Block | 19135 | |
| 531 Willowbrook | 05:59 | Block | ||||
| 531 Willowbrook | 06:15 | Block | ||||
| 531 Willowbrook | 06:30 | Block | ||||
| 531 Willowbrook | 06:45 | Block | ||||
| 531 Willowbrook | 07:02 | Block | ||||
| 531 Willowbrook | 07:18 | Block | ||||
| 531 Willowbrook | 07:33 | Block | ||||
| 531 Willowbrook | 07:49 | Block | ||||
| 531 Willowbrook | 08:09 | Block | ||||
| 531 Willowbrook | 08:29 | Block |