copyright sells the Big Front Seat onboard its aircraft, which is analogous on the seats in US domestic first class, but there's no other change in company or features for customers seated in that segment. Nonetheless, it is important to note that redeeming mileage with Delta can be expensive, https://businessflightshop.co.uk/blog/buy-cheap-business-class-flights-from-uk-to-costa-rica-for-a-healing-holiday/