6:00: Mohammed Atta travels Colgan Air from Portland International Jetport in Portland, Maine to Logan International Airport in Boston, Massachusetts, along with Abdulaziz al-Omari.
6:45: Atta and al-Omari arrive at Logan International Airport.
6:52: Marwan al-Shehhi calls Atta from another terminal at Logan to confirm that the plans for the attack are set.
7:35: Atta and al-Omari board American Airlines Flight 11.
7:40: The rest of the Flight 11 hijackers board the airplane.
Where'd they "board Flight 11"? Hint: Logan, in Boston.