After a night without sleeping for more than an hour and after debating with my spotter friend during the night, we decided to travel to the airport to capture the departure of this plane without being certain that it would leave. About 10 minutes before arriving at the spot we saw that the plane was in push-back and thanks to the secondary roads without traffic and a good speed, we arrived within seconds of its takeoff. The second flight of an Air Canada B77W to Quito. Taking off as "Air Canada 7255" on a cargo only flight to Lima. Thanks to Martín Blanco for the help.