United Airlines

Headquartered at Willis Tower in Chicago, Illinois, and being one of the top-notch airline companies in the United States, many people prefer to travel with United Airlines. It is known for lenient baggage policies and excellent in-flight amenities. With comfortable seating options, including Basic Economy, Economy, United Premium Plus, United First, and United Polaris Business Classes, user-friendly check-in policies, and affordable tickets, United Airlines’ is undoubtedly one of the best picks to book flights for traveling around the globe in a budget-friendly and comfortable way.

Delta Airlines

Considered to be one of the best airlines in the United States, Delta Airlines is responsible for connecting 325 destinations across the globe. It gives each passenger an option to check-in bags without exceeding the limit of 62 inches or 157 cm in size and 50 lbs in weight. In fact, the airline has five different sorts of seating options for passengers of all categories, including Delta comfort plus, First-Class, Delta one, Main Cabin, and Basic Economy. And, you can complete the check-in via mobile app, desktop, Kiosk, or at the airport counter at your convenience.

British Airways

British Airways is a legacy carrier in the UK and has its main quarters in London, England. The second-largest flight as per the passenger fleet size and connecting ports. Read more to know what is the check-in policies, baggage policies, etc.