Color me skeptical.
If this is indeed true, then travel funds would essentially
never expire. As long as you kept rebooking, you could keep a credit alive indefinitely. I cannot see the bean counters allowing that.
I'm guessing
glitch.
Note:
The Fare Comparison Chart on the Southwest website hasn't been updated to reflect any change.
Reusable Funds1
If you cancel your flight, 100% of your ticket value can be applied to future travel for up to 12 months. New reservations inherit the earliest expiration date from any funds applied from the old ticket. Therefore, the expiration date of our new reservation and all associated funds may be less than 12 months.
Neither has the
Contract of Carriage (pdf).
c. Refunds
(3) Nonrefundable Tickets.
(iii) Travel Credit Eligibility. The expiration date of any travel credit will apply to any Tickets purchased with these funds. If a Ticket is purchased with multiple travel credits, the earliest expiration date will apply to the entire Ticket.