| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 12:57 | 12:58 | -1½ | 1 min | Block | 7490 |
| 531 Willowbrook | 13:27 | 30 min | Block | 16119 | ||
| 531 Willowbrook | 13:49 | 13:51 | -3 | 52 min | Block | 19103 |
| 531 Willowbrook | 14:09 | 14:09 | -1 | 72 min | Block | 18160 |
| 531 Willowbrook | 14:29 | Block | ||||
| 531 Willowbrook | 14:49 | 14:48 | +1 | Block | 24116 | |
| 531 Willowbrook | 15:09 | 15:04 | +4½ | Block | 24105 | |
| 531 Willowbrook | 15:29 | 15:30 | -1½ | Block | 7490 | |
| 531 Willowbrook | 15:49 | 15:39 | +9½ | Block | 19138 | |
| 531 Willowbrook | 16:09 | 16:04 | +4 | Block | 18324 | |
| 531 Willowbrook | 16:29 | Block | ||||
| 531 Willowbrook | 16:46 | 16:47 | -1½ | Block | 19116 | |
| 531 Willowbrook | 17:04 | Block | ||||
| 531 Willowbrook | 17:22 | 17:21 | +1 | Block | 24116 | |
| 531 Willowbrook | 17:42 | 17:37 | +4½ | Block | 24105 | |
| 531 Willowbrook | 18:02 | 18:03 | -1½ | Block | 7490 | |
| 531 Willowbrook | 18:21 | 18:11 | +9½ | Block | 19138 | |
| 531 Willowbrook | 18:41 | 18:36 | +4 | Block | 18324 | |
| 531 Willowbrook | 19:01 | Block | ||||
| 531 Willowbrook | 19:31 | 19:30 | +1 | Block | 24116 | |
| 531 Willowbrook | 20:00 | 19:55 | +4½ | Block | 24105 | |
| 531 Willowbrook | 20:30 | 20:20 | +9½ | Block | 19138 | |
| 531 Willowbrook | 21:00 | Block | ||||
| 531 Willowbrook | 21:58 | 21:53 | +4½ | Block | 24105 | |
| 531 Willowbrook | 22:56 | 22:54 | +1 | Block | 18110 |