Would they hold the plane up if it was the last plane of the day, and there were connecting passengers still trying to land on other planes?
My 1Stop, No Plane Change horror story from about 30 years ago.
Actually there was a plane change involved in this. During Easter Week (Thursday before Easter), I flew from Milwaukee to Savannah. I changed planes in Chicago, and the plane from Chicago to Savannah had a stop in Atlanta.
There was a rainstorm up and down the Eastern Seaboard which extended to the Great Lakes. I was supposed to have an hour layover in Chicago, so I could catch a quick bite. But the plane out of Milwaukee was nearly an hour late in taking off. So I litterally ran to the gate at O'Hare (fortunately, the same terminal and about five gates away). Got to the gate just in time.
The food selection on the Chicago/Atlanta segment was limited (I don't think we got to eat due to the turbulence). We got to Atlanta a little late, but not horribly late.
I wanted to get off the plane to get some supper, but we were told we had to stay on the plane, since our time at the gate was short.
So we waited.
And waited.
Although our flight was only a few minutes late, other flights into Atlanta were much later. As a result, we waited at the gate for nearly two hours to allow passengers on the later flights to make our plane. Remember, this was Easter weekend, and ours were the last flight of the day.
We didn't get to Savannah until after midnight on Friday morning. I was famished, but all the airport eating places were closed. And it was Good Friday, so I was supposed to be fasting anyway.