I am 6’3″, tall but well within the range of normal. The last time I flew, I had my knees under my chin for the whole trip because there was no room for me in the little bitty space they give people in coach. I always asked for the emergency exit seat, but you don’t often get one.
Luckily, I no longer work at a job where I have to fly places two weeks out of every month.
With luck, I will never have to fly again. I won’t pay an extra $60 for a normal human size seat. I will take the train or drive, and if I can’t, I’ll stay home.
I miss my trips to Chicago, Austin, San Francisco and DC, but I am older now and I can’t sit all folded up for several hours anymore.