| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 15:50 | 15:47 | +2 | 3 min | Block | 9789 |
| 531 Willowbrook | 16:09 | 16:10 | -2 | 26 min | Block | 19123 |
| 531 Willowbrook | 16:29 | 16:16 | +12 | 45 min | Block | 18374 |
| 531 Willowbrook | 16:48 | 16:47 | +0 | 64 min | Block | 24132 |
| 531 Willowbrook | 17:05 | 17:09 | -4½ | 81 min | Block | 18373 |
| 531 Willowbrook | 17:23 | 17:23 | -1 | Block | 24121 | |
| 531 Willowbrook | 17:40 | 17:28 | +11½ | Block | 18156 | |
| 531 Willowbrook | 17:58 | 17:56 | +2 | Block | 19125 | |
| 531 Willowbrook | 18:15 | 18:12 | +2 | Block | 9789 | |
| 531 Willowbrook | 18:31 | 18:32 | -2 | Block | 19123 | |
| 531 Willowbrook | 18:50 | 18:37 | +12 | Block | 18374 | |
| 531 Willowbrook | 19:17 | 19:16 | +0 | Block | 24132 | |
| 531 Willowbrook | 19:47 | 19:35 | +11½ | Block | 18156 | |
| 531 Willowbrook | 20:16 | 20:14 | +2 | Block | 19125 | |
| 531 Willowbrook | 20:45 | 20:46 | -2 | Block | 19123 | |
| 531 Willowbrook | 21:12 | 21:11 | +0 | Block | 24132 | |
| 531 Willowbrook | 22:10 | 22:08 | +2 | Block | 19125 | |
| 531 Willowbrook | 23:09 | 23:03 | +5 | Block | 24114 | |
| 531 Willowbrook | 24:09 | 24:07 | +2 | Block | 19125 | |
| 531 Willowbrook | 06:11 | Block | ||||
| 531 Willowbrook | 06:26 | Block | ||||
| 531 Willowbrook | 06:42 | Block | ||||
| 531 Willowbrook | 06:56 | Block | ||||
| 531 Willowbrook | 07:12 | Block | ||||
| 531 Willowbrook | 07:30 | Block |