There was an article posted to HN recently (today, even!) that showed how airlines do pad their flight times deliberately. I think it's reasonable. Even if yo

There was an article posted to HN recently (today, even!) that showed how airlines do pad their flight times deliberately. I think it's reasonable. Even if you depart the gate on time, there could be things out of the airliners' control that cause delays, such as a long queue to take off.