| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 09:01 | 09:04 | -4 | 2 min | 321 005 | 18113 |
| 531 Willowbrook | 09:27 | 09:29 | -2½ | 25 min | 312 027 | 19146 |
| 531 Willowbrook | 09:57 | 10:00 | -3 | 55 min | 312 042 | 19127 |
| 531 Willowbrook | 10:27 | 10:35 | -8½ | 85 min | 312 019 | 18141 |
| 531 Willowbrook | 10:57 | 10:58 | -1 | 321 019 | 16012 | |
| 531 Willowbrook | 11:27 | 11:30 | -3½ | 321 016 | 18117 | |
| 531 Willowbrook | 11:57 | 11:53 | +3½ | 321 020 | 7485 | |
| 531 Willowbrook | 12:27 | 12:14 | +12½ | 312 036 | 18131 | |
| 531 Willowbrook | 12:57 | 12:53 | +3½ | 312 062 | 7455 | |
| 531 Willowbrook | 13:27 | 13:24 | +2½ | 321 001 | 18129 | |
| 531 Willowbrook | 13:47 | 320 040 | ||||
| 531 Willowbrook | 14:07 | 14:09 | -2½ | 312 027 | 19146 | |
| 531 Willowbrook | 14:27 | 320 044 | ||||
| 531 Willowbrook | 14:48 | 14:51 | -3 | 312 042 | 19127 | |
| 531 Willowbrook | 15:08 | 15:16 | -8½ | 312 019 | 18141 | |
| 531 Willowbrook | 15:28 | 15:30 | -3 | 321 004 | 7504 | |
| 531 Willowbrook | 15:48 | 320 063 | ||||
| 531 Willowbrook | 16:08 | 16:04 | +3½ | 321 014 | 19106 | |
| 531 Willowbrook | 16:28 | 16:30 | -2½ | 312 027 | 19146 | |
| 531 Willowbrook | 16:47 | 320 044 | ||||
| 531 Willowbrook | 17:02 | 320 066 | ||||
| 531 Willowbrook | 17:17 | 17:20 | -3 | 312 042 | 19127 | |
| 531 Willowbrook | 17:32 | 17:40 | -8½ | 312 019 | 18141 | |
| 531 Willowbrook | 17:51 | 17:53 | -3 | 321 004 | 7504 | |
| 531 Willowbrook | 18:11 | 320 063 |