By Guy Taylor Wizz Air is set for a smooth landing in its full-year results despite disruption stemming from conflict in the Middle East and supply chain issues with its Pratt and Whitney-manufactured engines. The low-cost carrier is set to announce a return to profit on Thursday, with net income of between €350m and €370m (£318.2m), in line with market expectations. Like rivals Easyjet and Ryanair, Wizz Air has benefitted from rising airfares and a surge in leisure demand over the last 18 months. It carried a record 15.1m passengers in the final quarter to December, up 22 per cent year-on-yea…