“…• Integration. Inspired by IARS, integrations of (a) ticketing (Efthymiou and Antoniou, 2017;Guan et al, 2020), (b) information (Li et al, 2018;Merkert and Beck, 2020), (c) schedule (Lu et al, 2016;Wu et al, 2015;Xia and Zhang, 2017), (d) transfer efficiency (Jiang et al, 2021;Li and Sheng, 2016;Socorro and Viecens, 2013), and other services such as check-in and luggage handling (Yang et al, 2022;Yuan et al, 2021aYuan et al, , 2021b should be key indicators for satisfaction under the air-bus context.…”