Handscomb, Christopher, Deepak Mahadevan, Lars Schor, Marcus Sieberer, Euvin Naidoo, and Suraj Srinivasan. "An Operating Model for the Next Normal: Lessons from Agile Organizations in the Crisis." ...

Frontier Airlines and Spirit Airlines do both operate single-type fleets ... passengers is a core element of the Southwest operating model, something extremely unique for a low-cost airline.