You generally can't receive a refund on a missed flight. Depending on the circumstances of your situation and the terms of your fare, you may receive partial credit or free rebooking, but the only way you're likely to get a full refund is if the airline cancels your flight.
If you missed your flight due to traffic, the airline may label you as a no show and cancel your entire itinerary. This is why it is important to call ahead and see if you can be rebooked on another flight so that you can still fly. Chances are, you will need to pay the rebooking fee.
There's no limit to the number of flights you can book with a Companion Pass and you can change companions up to three times per calendar year. The great thing about the Southwest Companion Pass is how attainable it is. The spending and welcome bonus on the Southwest cards counts towards the 135,000-point requirement.
First, you don't have two companion passes so don't think you can book two companions. You have one CP and can have one companion. You cannot earn CP multiple times concurrently. If your son also has a companion pass then he can also designate one companion.
I am in the process of getting TSA PreCheck for myself, and also have a 13YO son as my Southwest Companion. The TSA PreCheck site says my son can accompany me through PreCheck if we are on the same reservation and Pre-check appears on his boarding pass (for children 13-17).
Companions booked via a companion pass are not on the same reservation/confirmation# as the companion pass holder and thus, unfortunately, do not receive the priority boarding benefit.
Pro tip: if you add your companion and later want to cancel your flight, you must first cancel the companion's itinerary before you can change or cancel the itinerary for the primary traveler.
Can I get charged for missing a flight? Most airlines only charge a fee for missing a flight if the passenger seems to have a habit of doing it purposely, commonly known as skiplagging, in which a passenger books a ticket with no intention of taking the secondary legs of a trip in order to secure a cheaper fare.
Skiplagged deceives the public into believing that, even though it has no authority to form and issue a contract on American's behalf, somehow it can still issue a completely valid ticket. It cannot. Every 'ticket' issued by Skiplagged is at risk of being invalidated, the airline said.
What happens if a flight is delayed and you miss your connection? If you miss your connection due to a delay, usually the airline is responsible for providing you with a replacement flight to your destination. They will have to book you on the earliest possible flight available.