The busy Northeast travel corridor ground to a halt when Sandy slammed into the East Coast on Monday, flooding train tunnels, cutting power and shutting down regional airports.
John F. Kennedy International Airport and Liberty Airport in Newark, N.J., which reopened Wednesday, will continue to offer limited service on Thursday.
LaGuardia Airport, which had remained closed amid storm-related damage, says it is due to reopen Thursday morning with reduced service.
U.K. airlines Virgin Atlantic and British Airways say they are operating close-to-normal schedules to New York and have added an extra flight to reduce backlog.