Many airlines require that carry-on luggage is 22 x 14 x 9 inches or smaller, while others impose different rules. See current carry-on luggage sizes for your airline.
avianca - Baggage policy
Carry On Luggage Size Chart: Best Guide to Airline Carry On Dimensions (2024)
Hand baggage allowed on the aircraft
Spirit Airlines - 2024 Updated Guide - Carry-on Bag, Baggage Allowance and Fees
Carry-On Weight Limits: Is There A Weight Limit For Carry-On Bags?
What is allowed in a carry-on bag: TSA rules
American Airlines Baggage Rules For International Flights 2024
The 6 Best Carry-On Luggage of 2024
Several US airlines have hiked checked-in baggage fee