how soon after the first crash did a second plane crash into the south tower of the world trade center?

The second plane crashed into the South Tower of the World Trade Center approximately 17 minutes after the first plane hit the North Tower. Specifically, American Airlines Flight 11 crashed into the North Tower at 8:46 a.m., and United Airlines Flight 175 crashed into the South Tower at 9:03 a.m. on September 11, 2001