I was in Las Vegas for the 30th anniversary Star Trek convention the week before. I flew back to Dallas on 9/10. The next morning I did not turn on the news and listened to CDs all the way to work. I didn’t know anything was happening until I got out of my car at work and somebody asked me if I knew what was happening. They mentioned a “plane crash” and nothing else. By the time I got to my desk, both towers had collapsed and everybody was watching CNN in a conference room in utter shock.
I’ve kept my boarding pass from that flight.
Wifey was ticketed to fly from Los Angeles to Minneapolis a month later, but the reunion got cancelled due to all of this. NWA wouldn't issue a refund, so the ticket envelope still, to this day, sits in my "inbox" waiting for prepaid revenge.