Abstract: determined from the perspective of interval numberlistances, and weights are calculated using the ordered weighted averaging (OWA) operator combined with nor-nal distribution. Finally, the operational efficiency of terminal areas at domestic airports is evaluated based onthe established evaluation system. Taking four typical airports in the Beijing-Tianjin-Hebei region, namely Bei-jing Capital Intemational Airport, Beijing Daxing Intemational Airport, Tianjin Binhai International Airport, aneShijiazhuang Zhengding Intemational Airport, as examples, the terminal area operational efficiency is evaluated,resulting in ratings of good, good, poor, and poor, respectively. The research results show that the evaluation out-comes align well with the actual operating conditions of the terninal areas, verifying the feasibility of the methodproposed in this paper.

Key words: air transportation, terminal area operational efficiency, interval number theory, fuzzy comprehensive evaluation;ordered weighted averaging (OWA) operator