Originally Posted by
nomad420
I searched multiple days of midweek flights SFO-EWR and found literally maybe two flights with PZ>1. So they do exist. But I would add that when I went back within an hour or two to consider purchase they were gone. They showed up just as your demonstration above. I don't think this is a "glitch" sorry to say.
PZ definitely does exist on domestic flights -- I found quite a few. This is scary.