On August 24, another Air Canada flight number AC1255, from Kingston, Jamaica, to Toronto also identified exposure to COVID-19 in rows 4 and 12-15 affected.
Government of Canada
Regarding domestic flights, a few flights to and from Toronto have been identified with cases through Air Canada.
A flight to Toronto on August 23, flight number AC128 from Vancouver to Toronto, also identified lines 19 to 25.
The same day, a flight from Toronto to Ottawa also found affected rows, but they are unknown.

Government of Canada
“If you have recently returned to Canada, you must quarantine yourself for 14 days from the date of your arrival in Canada. It’s mandatory whether or not you have symptoms, ”the government website read.
For up-to-date information or to see if your flight has been affected, visit the Government of Canada website.