Airline Codeshare Alliances

Marketing Boon and Revenue Management Information Systems Challenge


The paper juxtaposes the challenges that airline codeshare alliances create for analytical information systems on the one hand and their motivation from a marketing perspective on the other. The authors review the state-of-the-art literature on potential marketing benefits and analyze the impact on airline planning systems. In this regard, revenue management systems are of particular interest. Based on a simulation study, the authors infer a severe impact of decentralized codeshare controls as currently widely implemented in the industry on revenue management performance. In the scenarios examined, complementary codesharing reduces alliance-wide revenues by up to 1 %. Losses increase when a carrier experiences high local demand or a high degree of codeshare demand, and disseminate over the whole network. Virtual codeshares also cause losses of 0.3 % to 1.5 % depending on the discount level offered by the marketing carrier and on the demand structure. Finally, the authors formulate a set of managerial implications based on these findings.

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Corresponding author

Correspondence to Max Gerlach.

Additional information

Accepted after two revisions by Prof. Dr. Spann.

This article is also available in German in print and via Gerlach M, Cleophas C, Kliewer N (2013) Codeshare-Allianzen bei Fluggesellschaften. Ein Segen für das Marketing und eine Herausforderung für Informationssysteme im Revenue-Management. WIRTSCHAFTSINFORMATIK. doi: 10.1007/s11576-013-0361-7.

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Gerlach, M., Cleophas, C. & Kliewer, N. Airline Codeshare Alliances. Bus Inf Syst Eng 5, 153–163 (2013).

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  • Revenue management
  • Information systems
  • Airline alliances
  • Codesharing
  • Simulation
  • Marketing