WestJet Airlines Ltd. provided targets for 2018 and 2020. The company is targeting an annual operating margin of between 10% and 12% in 2018 to 2020 and an improving annual return on invested capital (ROIC) that is expected to exceed 13% in 2020. From 2018 to 2020, the company expects to deliver cumulative free cash flow of $775 to $875 million, with capital expenditures of approximately $780 million in 2018, peaking in 2019 at approximately $1 billion and dropping to approximately $870 million in 2020. The company expects to grow its number of unencumbered aircraft from 51 at the end of the third quarter of 2017 to 96 aircraft in 2020. The company expects an annual revenue opportunity of $300 million to $500 million through to 2022.