Officials are still unsure what caused people to feel sick and why one woman was found unconscious on a Spirit Airlines flight on Thursday. <br /> According to Business Insider, Flight 779 carrying 220 passengers took off from New York's LaGuardia Airport at 8:30pm, heading to Fort Lauderdale. <br />Pilots had to divert the flight and land in Myrtle Beach, South Carolina after complaining of "burning throats and chest pains caused by a strange smell."<br />They said it smelled like "dirty socks. <br />