"Air traffic will remain on its return to recovery, perhaps levelling off a bit," Carsten Spohr said, adding, however, that he saw no reason for pessimism amid positive developments.

The German flagship carrier is expecting to reach 87% of its pre-pandemic capacity in 2023 after 75% this year, he said.

(Reporting by Ilona Wissenbach, Writing by Rachel More, Editing by Miranda Murray)