| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 18:02 | 18:06 | -4½ | 7 min | 320 017 | 18367 |
| 531 Willowbrook | 18:19 | 18:11 | +7½ | 20 min | 321 020 | 19124 |
| 531 Willowbrook | 18:38 | 18:33 | +4½ | 39 min | 321 022 | 24106 |
| 531 Willowbrook | 19:05 | 19:08 | -4 | 66 min | 321 031 | 16130 |
| 531 Willowbrook | 19:35 | 19:29 | +5 | 321 016 | 16102 | |
| 531 Willowbrook | 20:05 | 19:56 | +8 | 321 024 | 18387 | |
| 531 Willowbrook | 20:34 | 20:26 | +7½ | 321 020 | 19124 | |
| 531 Willowbrook | 21:02 | 21:05 | -4 | 321 031 | 16130 | |
| 531 Willowbrook | 22:00 | 21:51 | +8 | 321 024 | 18387 | |
| 531 Willowbrook | 22:59 | 23:03 | -4½ | 321 007 | 18369 | |
| 531 Willowbrook | 23:59 | 23:50 | +8 | 321 024 | 18387 | |
| 531 Willowbrook | 06:03 | 320 026 | ||||
| 531 Willowbrook | 06:33 | 320 041 | ||||
| 531 Willowbrook | 07:03 | 320 025 | ||||
| 531 Willowbrook | 07:34 | 320 039 | ||||
| 531 Willowbrook | 08:05 | 320 026 | ||||
| 531 Willowbrook | 08:35 | 320 041 | ||||
| 531 Willowbrook | 09:05 | 320 025 | ||||
| 531 Willowbrook | 09:36 | 320 039 | ||||
| 531 Willowbrook | 10:06 | 320 026 | ||||
| 531 Willowbrook | 10:36 | 320 041 | ||||
| 531 Willowbrook | 11:06 | 320 025 | ||||
| 531 Willowbrook | 11:35 | 320 080 | ||||
| 531 Willowbrook | 12:05 | 320 039 | ||||
| 531 Willowbrook | 12:34 | 320 026 |