How fast was the plane going when it hit the South Tower?
Robert Clark
Published Jan 11, 2026
9:03:02: Flight 175 crashes at about 590 mph (950 km/h, 264 m/s or 513 knots) into the south face of the South Tower (2 WTC) of the World Trade Center, between floors 77 and 85. All 65 people on board the aircraft die instantly on impact, and unknown hundreds in the building as well.