| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 10:50 | 10:51 | -1½ | 1 min | Block | 9669 |
| 531 Willowbrook | 11:21 | 10:56 | +25 | 31 min | Block | 18107 |
| 531 Willowbrook | 11:51 | 11:47 | +3 | 61 min | Block | 19119 |
| 531 Willowbrook | 12:19 | 89 min | Block | 16115 | ||
| 531 Willowbrook | 12:49 | 12:44 | +4½ | Block | 9681 | |
| 531 Willowbrook | 13:19 | 13:21 | -2½ | Block | 24138 | |
| 531 Willowbrook | 13:43 | 13:36 | +6 | Block | 18110 | |
| 531 Willowbrook | 14:03 | 14:02 | +0½ | Block | 19122 | |
| 531 Willowbrook | 14:23 | Block | ||||
| 531 Willowbrook | 14:43 | 14:37 | +6 | Block | 9706 | |
| 531 Willowbrook | 15:03 | 14:53 | +9 | Block | 19141 | |
| 531 Willowbrook | 15:24 | 15:19 | +4½ | Block | 9681 | |
| 531 Willowbrook | 15:44 | 15:45 | -1½ | Block | 9669 | |
| 531 Willowbrook | 16:04 | 15:39 | +25 | Block | 18107 | |
| 531 Willowbrook | 16:23 | Block | ||||
| 531 Willowbrook | 16:41 | 16:37 | +3 | Block | 19119 | |
| 531 Willowbrook | 16:59 | Block | ||||
| 531 Willowbrook | 17:17 | 17:11 | +6 | Block | 9706 | |
| 531 Willowbrook | 17:35 | 17:25 | +9 | Block | 19141 | |
| 531 Willowbrook | 17:52 | 17:47 | +4½ | Block | 9681 | |
| 531 Willowbrook | 18:10 | 18:11 | -1½ | Block | 9669 | |
| 531 Willowbrook | 18:29 | 18:04 | +25 | Block | 18107 | |
| 531 Willowbrook | 18:57 | Block | ||||
| 531 Willowbrook | 19:27 | 19:21 | +6 | Block | 9706 | |
| 531 Willowbrook | 19:56 | 19:46 | +9 | Block | 19141 |