Outsourcing has become the next critical business process that needs to be addressed by airlines. Successful outsourcing depends on the selection of the appropriate provider. However, this practice is not always successful and its theoretical justification has not been fully explored. Some significant efforts have been made based on the transaction cost economics framework. Different from previous studies, we propose a new hybrid Multiple Criteria Decision-Making (MCDM) model, which combines the Decision Making Trial and Evaluation Laboratory and the Analytical Network Process (DANP) method. Our model overcomes problems with previous methods. Our results show that: 1) employees with good knowledge skills contribute to better service quality; 2) a good relationship between airlines and their partners is the foundation of a successful outsourcing activity; and 3) risk plays a major role in the outsourcing evaluation system, and has the greatest effect on the other dimensions. The model can be extended to other service sectors. [委外]已逐漸成為航空公司重要的經營策略之一，委外的成功必須奠基在於，是否能夠有效地選擇出式核工應商的基礎上。前期研究顯示，委外並不能確保經營成功且相關理論亦鮮少被深入探討。傳統相關研究多採用交易成本理論為基礎，然而該理論假設經營環境為靜態並不符合現況。本研究提出全新的整合式選擇決策方法，利用有別於傳統假設準則間完全獨立的決策方法，稱為DANP法。該方法結合決策實驗室法(DEMATEL)集分析網路層級法(ANP)，容許準則間存在關聯性，較能反映出真實經營情況。研究結果顯示:(1)具備較佳知識技巧的員工，可提供較佳服務品質(2)航空公司與委外夥伴間關係良好，是成功委外的重要基礎(3)風險在委外評估系統中扮演著主要角色，且最具影響其他構面的能力。
