| 1 | 503 | West - 503 Kingston Rd Replacement Bus towards Dufferin Gate | 05:57–06:43 | — | unobserved | 31405010 |
| 2 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 06:47–07:33 | — | unobserved | 82294010 |
| 3 | 503 | West - 503 Kingston Rd Replacement Bus towards Dufferin Gate | 07:37–08:23 | — | unobserved | 15414010 |
| 4 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 08:27–09:22 | — | unobserved | 21188010 |
| 5 | 503 | West - 503 Kingston Rd Replacement Bus towards Dufferin Gate | 09:30–10:29 | 8650 | observed | 86517010 |
| 6 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 10:37–11:32 | 8650 | observed | 45667010 |
| 7 | 503 | West - 503 Kingston Rd Replacement Bus towards Dufferin Gate | 11:40–12:39 | 8650 | observed | 36612010 |
| 8 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 12:48–13:47 | 8650 | observed | 22932010 |
| 9 | 503 | West - 503 Kingston Rd Replacement Bus towards Dufferin Gate | 13:54–15:01 | 8650 | observed | 4334010 |
| 10 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 15:08–16:07 | 8650 | observed | 53474010 |
| 11 | 503 | West - 503 Kingston Rd Replacement Bus towards Dufferin Gate | 16:14–17:21 | 8650 | observed | 75540010 |
| 12 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 17:28–18:27 | 8650 | observed | 36949010 |
| 13 | 503 | West - 503 Kingston Rd Replacement Bus towards Dufferin Gate | 18:34–19:41 | 8650 | observed | 45546010 |
| 14 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 19:47–20:40 | 8650 | observed | 50951010 |
| 15 | 503 | West - 503 Kingston Rd Replacement Bus towards Dufferin Gate | 20:45–21:41 | 8650 | observed | 97606010 |
| 16 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 21:47–22:40 | 8650 | observed | 59982010 |
| 17 | 503 | West - 503 Kingston Rd Replacement Bus towards Dufferin Gate | 22:44–23:34 | 8650 | observed | 36695010 |
| 18 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 23:37–00:22 +1 | 8650 | observed | 20727010 |
| 19 | 503 | West - 503 Kingston Rd Replacement Bus towards Dufferin Gate | 00:24 +1–01:14 +1 | 8650 | observed | 76844010 |
| 20 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 01:17 +1–02:02 +1 | 8650 | observed | 15678010 |