Spirit and Frontier operate the same aircraft and their cabins are similarly configured with Frontier soon to add first-class seats.

US low-cost carrier Frontier Airlines has picked Italian seat manufacturer Geven as supplier of its new first-class seat as ...

Frontier also has more than 180 A320-family aircraft on order. The new first-class seats will give Frontier a four-class cabin, with the new seats joining the airline’s existing Up Front Plus ...