Joseph Hippensteel alleges that he fell into the aisle and broke a rib when he leaned on an armrest while putting on his ...

The passenger who was recently on a United Airlines flight took to Reddit to share their experience, asking if it was rude of them to lower the armrest between themselves and their neighbor.

On a crowded flight, it's important to be a good neighbor, especially when it comes to airplane armrest etiquette. Here, the experts weigh in on who gets those middle-seat armrests. We get it.

I have been getting quite a few questions about flight etiquette. Because this one has come up the most, I will address it ...