United Airlines (UA) allows passengers to check one carry-on bag and one personal item (purse, briefcase, laptop bag) for free.
The following size and weight restrictions apply to carry-on baggage:
115 centimeters (56 x 36 x 23 cm) or 45 linear inches (22 x 14 x 9 in) includes handles and wheels
Fits in overhead storage or under front seat.
Visit our website for additional information about United Airlines carry on baggage weight.