At this point (July 15th) it is still not known. The black box data hasn't been released, even though it has been found.
Airlines require passengers to keep their windows open during takeoff for safety reasons. This allows flight attendants and passengers to see outside in case of an emergency evacuation, and helps maintain situational awareness during critical phases of flight.
There were four planes. The names:United Airlines flight 11, United Airlines flight 93, American Airlines flight 175, and American Airlines flight 77.
American Airlines Flight 11United Airlines Flight 175.American Airlines Flight 77.United Airlines Flight 93
American Airlines flight 191. Crashed on takeoff killing all 271 people on board and 2 on the ground.
American airlines flight 11united airlines flight 175American airlines flight 77united airlines flight 93
Airlines require passengers to open window shades during takeoff and landing for safety reasons. This allows natural light to enter the cabin, which helps passengers adjust their eyes to the outside environment in case of an emergency evacuation. It also allows flight crew to see outside conditions, which can be important for assessing the situation during takeoff and landing.
American Airlines Flight 11 N334AAUnited Airlines Flight 175 N612UAAmerican Airlines Flight 77 N644AAUnited Airlines Flight 93 N591UA
Flight West Airlines ended in 2001.
Flight West Airlines was created in 1987-05.
"Have you completed the check-in process for your Spirit Airlines flight?"
united airlines flight 175(north tower) united airlines flight 11(south tower) american airlines flight 77(pentagon) united airlines flight 93(pennsylvania)
1.American Airlines Flight 11 2.United Airlines Flight 175 3.American Airlines Flight 77 4.United Airlines Flight 93