| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
252 Park Royal 251 Queens | 06:45 | 09:28 | 02:43 | MTuWThF (1/01-4/14) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 251 Queens | 06:45 | 07:05 | 00:20 | MTuWThF (1/01-4/14) -1/01 -2/19 -3/29 |
| 252 Park Royal | 07:10 | 07:28 | 00:18 | MTuWThF (1/01-4/14) -1/01 -2/19 -3/29 |
| 251 Queens | 07:45 | 08:07 | 00:22 | MTuWThF (1/01-4/14) -1/01 -2/19 -3/29 |
| 252 Park Royal | 08:10 | 08:28 | 00:18 | MTuWThF (1/01-4/14) -1/01 -2/19 -3/29 |
| 251 Queens | 08:45 | 09:07 | 00:22 | MTuWThF (1/01-4/14) -1/01 -2/19 -3/29 |
| 252 Park Royal | 09:10 | 09:28 | 00:18 | MTuWThF (1/01-4/14) -1/01 -2/19 -3/29 |