Checked luggage is not included in <a href="https://www.bookunitedairlines.com/united-airlines-baggage-policy/"> united airlines domestic baggage policy </a> and must be bought individually. The first bag will set you back $30, the second will set you back $40, and any additional bags will set you back $150. As a result, your total for four bags will be $370. Individually, these can weigh up to 50 pounds and have a maximum length of 62 linear inches. For more info visit our site.