| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 12:41 | 12:43 | -2½ | 12 min | Block | 16128 |
| 531 Willowbrook | 13:11 | 13:27 | -16 | 40 min | Block | 18120 |
| 531 Willowbrook | 13:41 | 13:36 | +4 | 70 min | Block | 9681 |
| 531 Willowbrook | 14:04 | 14:06 | -2 | Block | 24139 | |
| 531 Willowbrook | 14:24 | 14:25 | -1½ | Block | 24116 | |
| 531 Willowbrook | 14:45 | Block | ||||
| 531 Willowbrook | 15:06 | 15:03 | +2½ | Block | 9686 | |
| 531 Willowbrook | 15:26 | Block | 24110 | |||
| 531 Willowbrook | 15:46 | 16:02 | -16 | Block | 18120 | |
| 531 Willowbrook | 16:07 | 16:04 | +2 | Block | 18156 | |
| 531 Willowbrook | 16:27 | 16:27 | -0½ | Block | 24124 | |
| 531 Willowbrook | 16:46 | Block | ||||
| 531 Willowbrook | 17:03 | 17:01 | +2 | Block | 9788 | |
| 531 Willowbrook | 17:21 | Block | ||||
| 531 Willowbrook | 17:37 | 17:34 | +2½ | Block | 9686 | |
| 531 Willowbrook | 17:55 | Block | 24110 | |||
| 531 Willowbrook | 18:12 | 18:28 | -16 | Block | 18120 | |
| 531 Willowbrook | 18:31 | 18:28 | +2 | Block | 18156 | |
| 531 Willowbrook | 18:51 | 18:51 | -0½ | Block | 24124 | |
| 531 Willowbrook | 19:14 | Block | ||||
| 531 Willowbrook | 19:43 | 19:40 | +2½ | Block | 9686 | |
| 531 Willowbrook | 20:13 | Block | 24110 | |||
| 531 Willowbrook | 20:43 | 20:40 | +2 | Block | 18156 | |
| 531 Willowbrook | 21:10 | Block | ||||
| 531 Willowbrook | 22:07 | Block | 24110 |