What is the correct definition of an infant for air travel purposes?

The definition of an infant for air travel purposes is primarily focused on age limits as they relate to safety, seating arrangements, and pricing policies of airlines. In this context, an infant is defined as a person who is between the ages of 0 years to 2 years. This definition is consistent across many airlines and aviation regulations, allowing passengers traveling with young children to prepare adequately in terms of safety guidelines and necessary arrangements.

In the airline industry, categorizing infants accurately ensures that safety protocols are followed, such as appropriate use of child restraints and determining whether a ticket is required for the child's travel. The age limit is crucial since after the age of 2, children are typically required to occupy their own seats and may be subject to different fare classes.