Spirit Airways sells the Big Front Seat onboard its aircraft, which is similar on the seats in US domestic first class, but there's no other change in company or facilities for patrons seated in that area. The gate place for my Seattle flight seemed crowded on account of narrow boarding https://businessflightshop.co.uk/blog/get-tickets-of-business-class-flights-sale-to-costa-rica-for-a-perfect-nosara-vacation/