how many minutes passed in between the south tower’s evacuation order and the crash of flight 175 into the south tower?

The evacuation order for the South Tower was given around 8:57 a.m. by FDNY chiefs, who asked building personnel and a Port Authority police officer to evacuate the South Tower due to safety concerns after the North Tower was hit

. The second plane, United Airlines Flight 175, crashed into the South Tower at 9:03 a.m.

. Therefore, the time elapsed between the evacuation order for the South Tower and the crash of Flight 175 into the South Tower was approximately 6 minutes.