Growth continued in May 2019, when Delta Air Lines resumed year round service to its hub in Atlanta, as well as adding a new seasonal route to New York-LaGuardia.

[7] On July 5, 2018, Piedmont Airlines’ Bombardier Dash 8 service was ceased, and Republic Airways began serving Hilton Head Airport with the E175 regional jet.

[12][13] The FAA had recommended the runway be extended to 5,300 feet but public opinion on Hilton Head Island necessitated a smaller extension.

[13] Other safety improvements to the airport have been completed since 2018, including the relocation of Taxiway A by 100 feet, added airfield drainage components, removal of trees in the flight path and the revision of the general aviation parking area.

[15] For the 12-month period ending July 31, 2018, the airport had 37,632 aircraft operations, an average of 103 per day: 81% general aviation, 17% air taxi and 2% military.

In July 2018, there were 89 aircraft based at this airport: 62% single-engine, 26% multi-engine, 9% jet, 2% helicopter and 1% ultralight.