Airlines treat children traveling alone differently depending on the age of the child. Most airlines have a minimum age for their unaccompanied child service, typically five, and a maximum age, typically 12.Children younger than the minimum age will have to travel with an adult.irlines treat children traveling alone differently depending on the age of the child. Most airlines have a minimum age for their unaccompanied child service, typically five, and a maximum age, typically 12.
The fee is $110 for award flights. There is no fee to change or cancel a flight ticketed within 24 hours, so long as the reservation was made at least 7 days prior to departure. United Airlines charges change fees of $200 for domestic flights and up to $400 or more for international itineraries.
Delta Air Lines also charges a $200 change fee for paid domestic flights (including to the U.S. Virgin Islands and Puerto Rico), and up to $450 for international flights. Same day confirmed and standby changes are permitted for Delta SkyMiles Medallion elite members, but thereâs a $50 fee for Silver Medallion members.merican Airlines has a whopping $200 change fee on paid fares (other than full fare refundable tickets) for domestic flights, and up to $450 for international flights. Same day changes are $75 in economy and free for business and first class passengers on paid fares.