| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 12:49 | 12:51 | -2½ | now | Block | 9681 |
| 531 Willowbrook | 13:19 | 12:52 | +26½ | 27 min | Block | 24138 |
| 531 Willowbrook | 13:43 | 13:45 | -2½ | 51 min | Block | 18110 |
| 531 Willowbrook | 14:03 | 14:03 | -0 | 71 min | Block | 19122 |
| 531 Willowbrook | 14:23 | Block | ||||
| 531 Willowbrook | 14:43 | 14:40 | +2½ | Block | 9706 | |
| 531 Willowbrook | 15:03 | 15:05 | -2½ | Block | 19141 | |
| 531 Willowbrook | 15:24 | 15:26 | -2½ | Block | 9681 | |
| 531 Willowbrook | 15:44 | 15:29 | +14½ | Block | 9669 | |
| 531 Willowbrook | 16:04 | 16:05 | -1½ | Block | 18107 | |
| 531 Willowbrook | 16:23 | Block | ||||
| 531 Willowbrook | 16:41 | 16:41 | -0½ | Block | 19119 | |
| 531 Willowbrook | 16:59 | Block | ||||
| 531 Willowbrook | 17:17 | 17:14 | +2½ | Block | 9706 | |
| 531 Willowbrook | 17:35 | 17:37 | -2½ | Block | 19141 | |
| 531 Willowbrook | 17:52 | 17:54 | -2½ | Block | 9681 | |
| 531 Willowbrook | 18:10 | 17:55 | +14½ | Block | 9669 | |
| 531 Willowbrook | 18:29 | 18:30 | -1½ | Block | 18107 | |
| 531 Willowbrook | 18:57 | Block | ||||
| 531 Willowbrook | 19:27 | 19:24 | +2½ | Block | 9706 | |
| 531 Willowbrook | 19:56 | 19:58 | -2½ | Block | 19141 | |
| 531 Willowbrook | 20:26 | 20:11 | +14½ | Block | 9669 | |
| 531 Willowbrook | 20:54 | Block | ||||
| 531 Willowbrook | 21:52 | 21:54 | -2½ | Block | 19141 | |
| 531 Willowbrook | 22:51 | 22:51 | -0½ | Block | 19136 |