No, it wasn't Mark Zuckerberg.
It was Facebook's Chief Operating Officer Sheryl Sandberg, who ranked #10 on Forbes' 2012 "Most Powerful Women" list.
Facebook Chief Operating Officer Sheryl Sandberg delivers a speech during Global Women Leadership Summit in Tokyo, Tuesday, July 2, 2013. (Credit: AP)
Politico noted that Sandberg said she had planned to take the flight that crashed on landing in San Francisco on Saturday but decided to switch to another airline so tickets could be purchased with reward miles, according to her Facebook page.
Eun tweeted an early photo of passengers disembarking from the plane.