| 1 | 503 | West - 503 Kingston Rd Replacement Bus towards York via King | 15:46–16:37 | — | unobserved | 129472020 |
| 2 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 16:41–17:41 | — | unobserved | 98200020 |
| 3 | 503 | West - 503 Kingston Rd Replacement Bus towards York via King | 17:46–18:37 | — | unobserved | 102224020 |
| 4 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 18:41–19:41 | — | unobserved | 35982020 |
| 5 | 503 | West - 503 Kingston Rd Replacement Bus towards York via King | 19:47–20:37 | — | unobserved | 16072020 |
| 6 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 20:43–21:33 | — | unobserved | 116505020 |
| 7 | 503 | West - 503 Kingston Rd Replacement Bus towards York via King | 21:40–22:30 | 8712 | observed | 26965020 |
| 8 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 22:36–23:21 | 8712 | observed | 113843020 |
| 9 | 503 | West - 503 Kingston Rd Replacement Bus towards York via King | 23:27–00:11 +1 | 8712 | observed | 67003020 |
| 10 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 00:16 +1–01:01 +1 | 8712 | observed | 134896020 |
| 11 | 503 | West - 503 Kingston Rd Replacement Bus towards York via King | 01:05 +1–01:49 +1 | 8712 | observed | 24372020 |
| 12 | 503 | East - 503 Kingston Rd Replacement Bus towards Victoria Park | 01:49 +1–02:34 +1 | 8712 | observed | 57188020 |