| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 10:26 | 10:33 | -7½ | 21 min | 321 025 | 18157 |
| 531 Willowbrook | 10:56 | 10:50 | +6 | 51 min | 321 019 | 18120 |
| 531 Willowbrook | 11:26 | 11:28 | -2 | 81 min | 321 030 | 18140 |
| 531 Willowbrook | 11:56 | 11:59 | -3½ | 321 022 | 24104 | |
| 531 Willowbrook | 12:24 | 12:23 | +1 | 321 015 | 24133 | |
| 531 Willowbrook | 12:54 | 12:41 | +12½ | 320 012 | 24128 | |
| 531 Willowbrook | 13:24 | 13:20 | +4 | 321 028 | 19138 | |
| 531 Willowbrook | 13:48 | 321 012 | 19122 | |||
| 531 Willowbrook | 14:08 | 14:12 | -4½ | 321 010 | 9688 | |
| 531 Willowbrook | 14:29 | 502 044 | ||||
| 531 Willowbrook | 14:49 | 321 014 | 18191 | |||
| 531 Willowbrook | 15:09 | 15:16 | -7½ | 321 025 | 18157 | |
| 531 Willowbrook | 15:30 | 15:17 | +12½ | 320 012 | 24128 | |
| 531 Willowbrook | 15:50 | 15:44 | +6 | 321 019 | 18120 | |
| 531 Willowbrook | 16:10 | 16:12 | -2 | 321 030 | 18140 | |
| 531 Willowbrook | 16:29 | 321 031 | ||||
| 531 Willowbrook | 16:47 | 16:50 | -3½ | 321 022 | 24104 | |
| 531 Willowbrook | 17:05 | 502 044 | ||||
| 531 Willowbrook | 17:22 | 321 014 | 18191 | |||
| 531 Willowbrook | 17:40 | 17:47 | -7½ | 321 025 | 18157 | |
| 531 Willowbrook | 17:58 | 17:45 | +12½ | 320 012 | 24128 | |
| 531 Willowbrook | 18:15 | 18:09 | +6 | 321 019 | 18120 | |
| 531 Willowbrook | 18:34 | 18:36 | -2 | 321 030 | 18140 | |
| 531 Willowbrook | 19:02 | 321 031 | ||||
| 531 Willowbrook | 19:31 | 321 014 | 18191 |