Delta County Airport — Escanaba, United States

ESC is the code for Delta County Airport, serving Escanaba in Michigan's Upper Peninsula. The airport provides an essential regional air link for this remote area bordering Lake Michigan's Green Bay, given the long driving distances to larger Midwest cities. ESC has historically supported subsidized Essential Air Service flights, connecting Escanaba residents to hub airports for onward domestic travel. Beyond scheduled passenger service, the airport handles general aviation, cargo, and medical flights important to the sparsely populated Upper Peninsula communities. Escanaba's economy has traditionally centered on paper manufacturing and forestry, and ESC supports the transportation needs of businesses and residents across Delta County and neighboring areas.