United Airlines Baggage Carry On Rules 2026: Size Limits, Personal Item & Packing Guide Planning to fly soon? Understanding the United Airlines baggage carry on rules before your trip can help you avoid last-minute surprises at the airport. Learn about carry-on size limits, personal item allowance, cabin bag dimensions, packing tips, and common traveler mistakes. This easy-to-follow guide answers the questions passengers ask most, making it easier to pack smart and enjoy a smoother travel experience. Read More : https://www.flytripinfo.com/carry-on-checkin/united-airlines/