delta air lines ordered 15 further a220s for a total of 90 until 2023, including a conversion of 50 to the larger 130-seat -300 from 2020. airbus acknowledged that competition between the a220-300 and the a319neo was resulting in fewer a319 orders, but confirmed that the a319neo will not be discontinued. in may 2019, a delta enhanced equipment trust certificate report indicated the a220-100 mean appraised value was $34.1 million per aircraft, but there was wide variation.