Airline Carry-On Size Limits by Carrier: A Reference Chart
This reference guide provides standardized carry-on luggage dimensions, weight limits, and personal item requirements for major domestic and international airlines. The data is curated from official carrier policies to assist travelers in ensuring baggage compliance across different service classes and regions.
Small bag is free for all; large bag is included with certain fares or paid.
Key Definitions
Carry-On Bag (Cabin Bag)
A piece of luggage intended for storage in the overhead bin. Standardized dimensions typically hover around 22 x 14 x 9 inches (56 x 36 x 23 cm) for US domestic flights.
Personal Item
A smaller bag (e.g., purse, laptop bag, small backpack) that must fit entirely under the seat in front of the passenger. Typical limits are approximately 18 x 14 x 8 inches (45 x 35 x 20 cm).
Combined Weight
A policy used by some international carriers (e.g., Air France) where the weight of the carry-on bag and the personal item are added together to meet a single maximum threshold.
Sizer
A metal frame located at airport check-in counters or gates used to verify that a bag meets the airline's specific dimensional requirements.