| 1 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 05:30–06:06 | — | unobserved | 69985020 |
| 2 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 06:14–06:53 | — | unobserved | 101302020 |
| 3 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 07:00–07:36 | — | unobserved | 74473020 |
| 4 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 07:44–08:26 | — | unobserved | 81615020 |
| 5 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 08:34–09:14 | — | unobserved | 101407020 |
| 6 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 09:17–09:56 | — | unobserved | 73080020 |
| 7 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 10:04–10:42 | — | unobserved | 120518020 |
| 8 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 10:49–11:28 | — | unobserved | 107016020 |
| 9 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 11:34–12:12 | — | unobserved | 40901020 |
| 10 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 12:19–12:58 | — | unobserved | 96857020 |
| 11 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 13:04–13:42 | — | unobserved | 79738020 |
| 12 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 13:47–14:26 | — | unobserved | 40757020 |
| 13 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 14:39–15:26 | — | unobserved | 119360020 |
| 14 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 15:36–16:21 | — | unobserved | 133680020 |
| 15 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 16:31–17:18 | — | unobserved | 17377020 |
| 16 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 17:28–18:13 | — | unobserved | 50437020 |
| 17 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 18:30–19:12 | — | unobserved | 131045020 |
| 18 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 19:24–20:04 | — | unobserved | 115151020 |
| 19 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 20:12–20:48 | — | unobserved | 75352020 |
| 20 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 20:57–21:33 | — | unobserved | 2051020 |
| 21 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 21:40–22:16 | 8594 | observed | 134527020 |
| 22 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 22:20–22:52 | 8594 | observed | 132321020 |
| 23 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 23:00–23:33 | 8594 | observed | 39866020 |
| 24 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 23:40–00:12 +1 | 8594 | observed | 98658020 |
| 25 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 00:20 +1–00:53 +1 | 8594 | observed | 11508020 |