What led to the miraculous survival of all passengers and crew aboard Delta Flight 4819?

All 80 passengers and crew aboard Delta Flight 4819 miraculously survived the crash landing at Toronto's Pearson Airport despite the aircraft flipping upside down. The heroic four-member flight crew played a crucial role, standing on the ceiling of the inverted plane to help passengers escape from their seatbelt restraints. First responders arrived quickly at the scene, providing immediate assistance to the 21 injured individuals who suffered back sprains, head injuries, headaches and nausea. Their rapid response, combined with the flight crew's actions, ensured everyone made it out alive from what could have been a catastrophic incident, earning both groups recognition as heroes for their life-saving efforts.