system
Given the following post, respond as if you're commenting on Reddit:
human
[MCU] What do Iron Man/War Machine do during transoceanic flights in their suits?

In Iron Man one of the first things he does in the suit is fly from LA to Afghanistan, which would be a 10 hour flight if he went MACH 1 the whole time. Then he spends like 20 minutes there and flies home. what is he doing while flying in the suit for 20+ hours?
gpt
As career Air Force Rhodey probably enjoys directly piloting the armor in flight. Plus his suit isn't as advanced so it's likely that he has to be a more active pilot.

As for Tony, he might use it to catch up on sleep or business. He might even take the time to remote pilot another armor to do other tasks if the flight is long enough, similar to what he did in Homecoming.