If you are subject to baggage fees, meaning:
- They are not included in the fare
- You are not an elite program member
- Are not traveling in a premium cabin
- You do not get free bag because of some other benefit, such as a credit card
Fees are typically collected per Origin-Destination city pair, regardless of how many connections are involved.
For example, if you going from JFK to LAX, you pay $15 to check a bag if you fly JFK-LAX direct or connect JFK-DFW-LAX. You do not pay $15 for each flight on a connection.
If you have 7 flights and only two are connected, you will pay the fee 6 times because you have 6 O/D trips.