| 1 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 07:30–08:10 | — | unobserved | 122823020 |
| 2 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 08:18–09:00 | — | unobserved | 84933020 |
| 3 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 09:10–09:48 | — | unobserved | 7202020 |
| 4 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 09:55–10:34 | — | unobserved | 94455020 |
| 5 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 10:40–11:18 | — | unobserved | 134697020 |
| 6 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 11:25–12:04 | — | unobserved | 75321020 |
| 7 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 12:10–12:48 | — | unobserved | 16827020 |
| 8 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 12:55–13:34 | — | unobserved | 74186020 |
| 9 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 13:40–14:18 | 6027 | observed | 96671020 |
| 10 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 14:32–15:17 | 6027 | observed | 77831020 |
| 11 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 15:27–16:14 | 6027 | observed | 126433020 |
| 12 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 16:24–17:09 | 6027 | observed | 9623020 |
| 13 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 17:19–18:06 | 6027 | observed | 114613020 |