| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 19:12 | 19:08 | +3½ | 11 min | 321 020 | 19117 |
| 531 Willowbrook | 19:31 | 19:35 | -4½ | 38 min | 321 030 | 16122 |
| 531 Willowbrook | 20:01 | 20:01 | -0 | 64 min | 321 010 | 9662 |
| 531 Willowbrook | 20:30 | 20:34 | -4 | 321 024 | 24112 | |
| 531 Willowbrook | 20:58 | 20:56 | +2 | 321 028 | 26112 | |
| 531 Willowbrook | 21:25 | 21:29 | -4½ | 321 030 | 16122 | |
| 531 Willowbrook | 22:23 | 22:27 | -4 | 321 024 | 24112 | |
| 531 Willowbrook | 23:21 | 23:22 | -1½ | 321 005 | 24124 | |
| 531 Willowbrook | 24:21 | 24:25 | -4 | 321 024 | 24112 | |
| 531 Willowbrook | 06:24 | 320 022 | ||||
| 531 Willowbrook | 06:54 | 320 037 | ||||
| 531 Willowbrook | 07:26 | 320 024 | ||||
| 531 Willowbrook | 08:00 | 320 036 | ||||
| 531 Willowbrook | 08:35 | 320 022 | ||||
| 531 Willowbrook | 09:07 | 320 037 | ||||
| 531 Willowbrook | 09:37 | 320 024 | ||||
| 531 Willowbrook | 10:10 | 320 075 | ||||
| 531 Willowbrook | 10:40 | 320 036 | ||||
| 531 Willowbrook | 11:10 | 320 022 | ||||
| 531 Willowbrook | 11:42 | 320 037 | ||||
| 531 Willowbrook | 12:12 | 320 024 | ||||
| 531 Willowbrook | 12:42 | 320 075 | ||||
| 531 Willowbrook | 13:12 | 320 036 | ||||
| 531 Willowbrook | 13:42 | 320 022 | ||||
| 531 Willowbrook | 14:12 | 320 037 |