It's 6:45 AM September 11, 2001 - Where Are You?

6:45 AM
Mohammed Atta and Abdulaziz Alomari’s flight from Portland arrives on time to Boston Logan Airport.

ALSO:
American Airlines Flight 11 hijackers Wlaeed Alshehri, Wail Alshehri, and Satam Al Suqami arrive at Logan in their rental car.

AND:
United Airlines Flight 93 hijacker Ziad Jarrah calls his girlfriend, Aysel Senguen, in Germany:

Senguen will later recount, “[H]e was very brief. He said he loved me three times. I asked what was up. He hung up shortly afterwards.… It was so short and rather strange him saying that repeatedly.”