9/11 Timeline of Events
8:00 a.m.: American Airlines Flight 11, carrying 81 passengers and 11 crew members, begins its takeoff from Logan Airport in Boston, Massachusetts en route to Los Angeles.
8:13 a.m.: An air controller instructs American 11 to climb to 35,000 feet, and the aircraft fails to respond. The controller tries using the emergency frequency to contact the aircraft but there is no response.
8:14 a.m.: United Airlines Flight 175, carrying 56 passengers and nine crew members on board, takes off from Logan Airport ..