What happened during the crash landing of Delta Airlines Flight 4819 in Toronto?

Delta Airlines Flight 4819, operated by Endeavor Air, crashed while landing in Toronto under severe winter weather conditions. The plane encountered challenging circumstances with 20-30 mph winds (gusts up to 40 mph), a snow-covered runway, and temperatures around 18°F (-2°C). According to passenger John Nelson, the aircraft hit the runway extremely hard, briefly popped up, and started leaning to the left. The situation quickly deteriorated as the plane completely flipped upside down and burst into flames. Despite the catastrophic nature of the crash, the incident appears to have resulted in no fatalities, highlighting the effectiveness of emergency response procedures.