The 10 previously ordered aircraft that Spirit has opted to re-specify as A321s will be scheduled for delivery in 2017 and 2018.

All 30 of Spirit’s A321s, to be delivered between 2015 and 2018, feature Sharklet wing-tip devices and will be the first A320-family jets in North America to feature Airbus’ Space-Flex cabin option, which optimizes use of the available space at the very back of the aircraft