According to FOX news, Barbara Olson was forced to make that call reporting the seat number of one of the hijackers and to announce they were about to die. She cancelled her scheduled flight the day before, to share a birthday breakfast with Ted Olson.
No doubt, this day will hold many more horrific stories for us as well as some miracles. One man, clinging out of the Tower window, rode the building as it crumbled and survived.