American Airlines flight 11 from Boston was the first plane. It was a Boeng 767 200. It was hijacked near Albany at 8:28 am (according to flight path information). Just before hijacking the the speed gets very erratic.
"Freedom itself was attacked, and freedom shall be protected" President Bush said from Barksdale. It is the closest military base to Florida with complete military communications which provide links to all aspects of the US military (including nuclear weaponry).