Current Carry On Flight Rules 2025 United Airlines. Your bag must fit in the overhead bin, so it must be 9 in x 14 in x 22 in (23 cm x 35 cm x 56 cm). There’s an exception for this when flying basic economy or on a non.

We recommend getting to the airport 4 hours before your flight, and to your gate 2 hours before your flight, to make sure you’re able to complete all security screenings. Discover the complete guide to united airlines’ baggage policy for 2025, covering fees, allowances, and essential tips for seamless travel.