"On a per passenger flight segment basis, compared to the same period in 2022, total revenue per passenger flight segment ("segment") for the second quarter 2023 decreased 8.9 percent to $128.03. Compared to the second quarter 2022, fare revenue per segment decreased 20.1 percent to $57.86 and non-ticket revenue per segment increased 2.9 percent to $70.173." August 2023 Earnings for Spirit.

More than half of NK revenue is not in the ticket price. Didn't see that same break down on the JB.IR site, but I would be very surprised to see ancillary higher than ticket revenue. So to keep total revenue the same, ticket price will go up once we get painted blue. Not exactly shocking news.