The Air Canada flight attendant ejected from the plane and tossed more than 300 feet in Sunday’s deadly crash at LaGuardia posted an eerie social-media premonition almost three years to the day before the horrifying accident.

“Mirror, mirror on the wall, I will get up after I fall. Whether I run, walk, or crawl, I will set my goals and achieve them all,” Solange Tremblay wrote on Facebook on March 15, 2023.

Rescuers found Tremblay still strapped to the ill-fated plane’s jump seat after the jet collided with a fire truck on the airport’s Runway 4.

She suffered multiple injuries, including a broken leg, her daughter Sarah Lépine told Quebec outlet TVA Nouvellas.

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“They found her, and she was still strapped into her seat. She had a guardian angel watching over her. It could have been much worse,” Lépine said.

Both Air Canada pilots were killed in the collision, and dozens of passengers, crew members and two police officers were injured.

Tremblay was likely saved from a far worse fate thanks to her “robust” special seat, which has a four-point restraint, according to former federal crash investigator Jeff Guzzetti.

“The flight attendant’s seat is kind of a jump seat that folds down and is bolted to the wall, the same wall that the cockpit utilizes,” Guzzetti said.

“It’s a very robust seat. It’s designed to withstand probably more crash loads than passenger seats because you need the flight attendant to help passengers get out of an airplane after a crash.”

Passenger Jack Cabot told The Post on Tuesday that during the flight before its disastrous landing, Tremblay had served him a beer from the galley cart.

“It led to my new motto: Sit in the middle of the plane and have a beer,” the resilient New Yorker said after the crash.