This is good: What if airline checked-bag fees were taxed?
Skift Take
Bag fees are a tax dodge for airlines because ticket prices are taxable and bag fees aren't. Taxpayers end up making up the difference to fund the aviation system.
To keep airfares down as fuel costs rise, airlines charge fees - some of which are federal-tax exempt - for reservation changes, seating, early boarding, meals, entertainment and baggage. Untaxed bagg