Intern - Hourly applicants have rated the interview process at United Airlines with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 74% positive. This is according to Glassdoor user ratings.
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Very thorough and theoretically intensive. They know their stuff and expect the same from you. There was a take home assignment which was a simplified version of a live project. Besides that there were two rounds, one telephonic and the last round was on site.