United Airlines version of social distancing

And it goes through a HEPA filter, and is mixed about 50/50 with fresh incoming air. It's actually changed more often than many indoor offices. The problem is when it's on the ground - the power cart does not provide as much air, and we've all been on planes where they just turn it off and everyone is breathing everyone else for 10-15 minutes...
Besides, this is United we're talking about. They haven't beaten anyone, denied them a paid seat, or killed anyone's dog in a while. Guess it could be worse.