> Remember that it would also have to stop along the way

Why?

> Highly dependent on the individual & service class.

There are flights that offer lie-flat seats for most of the passengers on board? I have to confess I haven't ever seen any domestic flights in North America that have lie-flat seats. But maybe I'm just poor.

> Most of them do not have private jets, it's just a common thing Americans do.

I'm sure there are individuals who do the redeye consecutive nights. I'm pointing out that doing it instead on a train, sleeping in a bed, will leave you way more well-rested. You might fly out Friday night and return Sunday morning. But you're going to need all of Sunday to recover from those flights.