Korean Air announced (06-Jan-2021) plans to delay revisions to its SKYPASS mileage accrual rate and mileage deduction criteria until 01-Apr-2023, rather than implementing the changes on 01-Apr-2021. The airline will also delay the implementation of a new elite membership system under SKYPASS from Feb-2022 to Feb-2024. Korean Air extended the expiration date for mileage points due to expire in 2020 and 2021 until the end of 2022.