I once had an interview where I was flown to NY, interviewed for five hours by various people who would be co-workers who all said when they took me to lunch that they were quite impresed, and then the one person who had hiring authority called me to let me know he would be ‘staying home’ that day, and that he’d interview me over the phone.
I don’t think I got out more than two words, and he talked for half an hour. After he was finished, one of the other interviewers asked how it went, and I remarked that if this guy was going to do a phone interview, it would’ve been much cheaper for the company to just have him call me at home rather than fly me to NY for the day.
No surprise that I didn’t get that job.