All nonstop flights that were suspended last year due to the coronavirus pandemic in Charleston will be fully restored after American Airlines announced the resumption of service to Philadelphia. Service between Yeager Airport and Philadelphia International Airport will resume on June 3. American Airlines restored its nonstop daily service in February between Yeager and Ronald Reagan Washington National Airport.The Charleston Gazette-Mail reported Spirit Airlines is set to resume a seasonal schedule of twice-weekly nonstop flights between Charleston and Myrtle Beach, South Carolina, on May 6. Those flights will operate through Labor Day weekend.