- Regarding the airline's luggage rules, travelers can get committed advice from the United Airlines San Diego Office Details about weight and size restrictions, as well as any fines associated with extra or excessive bags, are provided to travelers for both carry-on and checked baggage. Additionally, the office offers advice on how to handle particular things such as medical gadgets, sports equipment, and strollers. Passengers can report lost, delayed, or damaged baggage and follow up directly through the office. All United Airlines passengers benefit from a seamless baggage experience thanks to the San Diego office's competent employees and dependable assistance.