| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 11:17 | 11:19 | -2½ | now | Block | 18184 |
| 531 Willowbrook | 11:47 | 11:19 | +27 | 25 min | Block | 16112 |
| 531 Willowbrook | 12:15 | 12:16 | -1 | 53 min | Block | 7486 |
| 531 Willowbrook | 12:45 | 12:45 | -0 | 83 min | Block | 18154 |
| 531 Willowbrook | 13:15 | 13:13 | +1 | Block | 18178 | |
| 531 Willowbrook | 13:39 | 13:39 | -0½ | Block | 18112 | |
| 531 Willowbrook | 13:59 | 14:00 | -2 | Block | 18364 | |
| 531 Willowbrook | 14:19 | Block | ||||
| 531 Willowbrook | 14:39 | 14:37 | +1 | Block | 18129 | |
| 531 Willowbrook | 14:59 | 14:58 | +0 | Block | 18195 | |
| 531 Willowbrook | 15:19 | 15:19 | -0 | Block | 18154 | |
| 531 Willowbrook | 15:39 | 15:34 | +4½ | Block | 19108 | |
| 531 Willowbrook | 15:59 | 16:01 | -2½ | Block | 18184 | |
| 531 Willowbrook | 16:19 | Block | ||||
| 531 Willowbrook | 16:39 | 16:11 | +27 | Block | 16112 | |
| 531 Willowbrook | 16:54 | Block | ||||
| 531 Willowbrook | 17:11 | 17:09 | +1 | Block | 18129 | |
| 531 Willowbrook | 17:26 | 17:25 | +0 | Block | 18195 | |
| 531 Willowbrook | 17:46 | 17:46 | -0 | Block | 18154 | |
| 531 Willowbrook | 18:05 | 18:00 | +4½ | Block | 19108 | |
| 531 Willowbrook | 18:25 | 18:27 | -2½ | Block | 18184 | |
| 531 Willowbrook | 18:53 | Block | ||||
| 531 Willowbrook | 19:23 | 19:21 | +1 | Block | 18129 | |
| 531 Willowbrook | 19:53 | 19:52 | +0 | Block | 18195 | |
| 531 Willowbrook | 20:23 | 20:18 | +4½ | Block | 19108 |