| Trip | Sched | Corr ↓ | Delay | Wait | Block | Vehicle |
|---|---|---|---|---|---|---|
| 531 Willowbrook | 12:17 | 12:18 | -1½ | 1 min | 321 038 | 18153 |
| 531 Willowbrook | 12:47 | 12:49 | -3 | 30 min | 321 034 | 7450 |
| 531 Willowbrook | 13:17 | 13:16 | +0½ | 60 min | 321 042 | 19111 |
| 531 Willowbrook | 13:42 | 85 min | 321 031 | 19109 | ||
| 531 Willowbrook | 14:02 | 321 033 | 16122 | |||
| 531 Willowbrook | 14:22 | 801 061 | ||||
| 531 Willowbrook | 14:43 | 14:44 | -1½ | 321 039 | 18136 | |
| 531 Willowbrook | 15:03 | 321 041 | 19101 | |||
| 531 Willowbrook | 15:23 | 15:25 | -3 | 321 034 | 7450 | |
| 531 Willowbrook | 15:43 | 321 046 | 18131 | |||
| 531 Willowbrook | 16:03 | 16:04 | -1 | 321 032 | 7467 | |
| 531 Willowbrook | 16:23 | 16:17 | +6 | 321 043 | 18138 | |
| 531 Willowbrook | 16:42 | 502 076 | ||||
| 531 Willowbrook | 16:57 | 801 061 | ||||
| 531 Willowbrook | 17:12 | 17:13 | -1½ | 321 039 | 18136 | |
| 531 Willowbrook | 17:27 | 321 041 | 19101 | |||
| 531 Willowbrook | 17:47 | 17:49 | -3 | 321 034 | 7450 | |
| 531 Willowbrook | 18:06 | 321 046 | 18131 | |||
| 531 Willowbrook | 18:26 | 18:27 | -1 | 321 032 | 7467 | |
| 531 Willowbrook | 18:56 | 18:50 | +6 | 321 043 | 18138 | |
| 531 Willowbrook | 19:26 | 19:27 | -1½ | 321 039 | 18136 | |
| 531 Willowbrook | 19:55 | 321 041 | 19101 | |||
| 531 Willowbrook | 20:25 | 20:26 | -1 | 321 032 | 7467 | |
| 531 Willowbrook | 20:50 | 20:44 | +6 | 321 043 | 18138 | |
| 531 Willowbrook | 05:51 | 801 004 |