The firm said the delays at many European airports is likely to hinder growth as queues and cancellations are becoming "air travel norms". The company also noted airlines failing to prepare for the travel comeback has resulted in staff shortages.
Hannah Free, travel and tourism analyst at GlobalData, said international departures from European countries are expected to reach 69% of 2019 figures in 2022.
"While destinations are eager to welcome visitors, supply simply cannot meet demand following extreme staffing deficits and industrial disputes, which has coincided with a rebound in international travel," she added.
