Does "on someone's feet" refer to "stand"?
Native speaker’s answer
Rebecca
Yes it does! "On your feet" means to stand for a certain amount of time. With Siti, she is on her feet for long periods of time. This means that Siti is standing for however long her flights are. Here are a few more example sentences of "on your feet" being used. Ex: I am really tired. I was on my feet all day. Ex: He is on his feet all day at work. Ex: This job requires you to be on your feet for eight hours a day.