brooklynmutt:

On the morning of September 11, 2001, MacFarlane was scheduled to return to Los Angeles on American Airlines Flight 11 from Boston. Suffering from a hangover from the previous night’s celebrations,[125] and with an incorrect departure time (8:15 a.m. instead of 7:45 a.m.) from his travel agent,[126] he arrived at Logan International Airport about ten minutes too late to board the flight as the gates had been closed.[126] Fifteen minutes after departure, American Airlines Flight 11 was hijacked,[127] and at 8:46 a.m. it was flown into the North Tower of the World Trade Center, obliterating the airplane, and killing everyone on board.[128]

In an interview with TVShowsOnDVD.com, MacFarlane said the following about his close call: