Economy Class customers on United Airlines are permitted to bring one standard bag, up to nine inches by fourteen inches by twenty-two inches in size according to United carry on Policy. Travellers travelling in business and first class receive larger allowances. Efficient storage in overhead compartments is ensured by adherence to stipulated size and weight constraints. In order to avoid delays and fines, United stresses following these guidelines. Because restrictions can change depending on routes or changes, travellers are advised to visit the official United Airlines website or get in touch with the airline directly for exact details. All things considered, United’s generous and transparent carry-on policy strives to improve the boarding experience for every passenger.