United Airlines CEO Scott Kirby uses an unconventional hiring strategy, selecting candidates based on whether pilots would want to spend four days with them.

Scott Kirby, CEO of $31.7 billion United Airlines, prioritizes hiring employees who are personable and likable

The company uses a 'four-day trip' test as a gauge—candidates must be people others would want to spend extended time with

Kirby believes hiring for cultural fit and interpersonal compatibility is as important as technical qualifications

This approach emphasizes team cohesion and workplace culture in an industry where employees spend significant time together