Possibly. It would depend on factors like where he was coming from and what his window of oppurtunity is. Maybe he wasn't cleared for night flight and that this was the earliest he could arrive from his point of origin.
This might have been the best plan this guy could have concocted. As a suicide plan there are more factors than simply taking lives. This apparently was a good target for polical purposes.
Yes if it were simply a suicide plan, but I said suicide bomber like those on 9/11 were