An Allegiant Air flight from Grand Rapids to Florida made an emergency landing in South Carolina after experiencing cabin pressure issues Sunday night. Flight 683 was about two hours into its flight when the the pressure problem happened. The plane's oxygen masks dropped down and the plane landed at Greenville-Spartanburg International Airport. No one was injured. An Allegiant Air spokesperson said flight attendants worked quickly to help passengers with their oxygen masks and safety belts. Those passengers were put in overnight hotel rooms paid for by the airline. They were flown to Sanford, Florida Monday morning. Passengers will be reimbursed for the first leg of their flight and will get a $200 voucher from Allegiant.