| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 12:13 | 12:11 | +1½ | 7 min | 321 022 | 18143 |
| 531 Willowbrook | 12:41 | 12:58 | -17 | 37 min | 321 015 | 19136 |
| 531 Willowbrook | 13:11 | 13:06 | +5 | 67 min | 320 012 | 24101 |
| 531 Willowbrook | 13:41 | 13:41 | -0½ | 321 028 | 24110 | |
| 531 Willowbrook | 14:06 | 14:04 | +1½ | 321 012 | 24115 | |
| 531 Willowbrook | 14:26 | 14:25 | +0 | 321 010 | 19118 | |
| 531 Willowbrook | 14:47 | 502 044 | ||||
| 531 Willowbrook | 15:08 | 321 014 | 19124 | |||
| 531 Willowbrook | 15:28 | 15:34 | -6½ | 321 025 | 19115 | |
| 531 Willowbrook | 15:49 | 15:44 | +5 | 320 012 | 24101 | |
| 531 Willowbrook | 16:09 | 16:10 | -1½ | 321 019 | 19121 | |
| 531 Willowbrook | 16:29 | 16:23 | +5½ | 321 030 | 19116 | |
| 531 Willowbrook | 16:48 | 321 031 | ||||
| 531 Willowbrook | 17:05 | 17:03 | +1½ | 321 022 | 18143 | |
| 531 Willowbrook | 17:23 | 502 044 | ||||
| 531 Willowbrook | 17:39 | 321 014 | 19124 | |||
| 531 Willowbrook | 17:57 | 18:03 | -6½ | 321 025 | 19115 | |
| 531 Willowbrook | 18:14 | 18:09 | +5 | 320 012 | 24101 | |
| 531 Willowbrook | 18:31 | 18:32 | -1½ | 321 019 | 19121 | |
| 531 Willowbrook | 18:50 | 18:44 | +5½ | 321 030 | 19116 | |
| 531 Willowbrook | 19:17 | 321 031 | ||||
| 531 Willowbrook | 19:46 | 321 014 | 19124 | |||
| 531 Willowbrook | 20:15 | 20:21 | -6½ | 321 025 | 19115 | |
| 531 Willowbrook | 20:45 | 20:46 | -1½ | 321 019 | 19121 | |
| 531 Willowbrook | 21:12 | 321 031 |