Typically, a checked bag can be up to 62 linear inches (that's length + width + height) and weigh around 50 pounds. But, let's be real, who's actually measuring their bag before checking in? It's like trying to guess the weight of a big ol' bag of potatoes - not exactly an exact science.
Now, imagine your checked bag is like a small fridge - it's got to fit all your essentials, from clothes to toiletries, and maybe even a few snacks for the road. You want to make sure it's big enough to hold everything, but not so big that it's impossible to handle. It's all about finding that sweet spot.
For example, if you're planning a beach vacation, you'll probably want a bigger bag to fit all your sunscreen, towels, and swimwear. On the other hand, if you're heading to a city break, a smaller bag might be more suitable, with just the essentials like a phone charger and wallet.
United Bag Policy: Updated Airline Baggage Rules For 2026