Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field

Minneapolis–Saint Paul International is Delta Air Lines' most northerly hub and the principal U.S. aviation gateway to the Upper Midwest and to northern Europe. MSP serves 41 airlines on 443 routes to 212 nonstop destinations, and despite a metropolitan area of roughly 3.7M people — smaller than Dallas, Atlanta, or Seattle — the airport sustains long-haul service to Amsterdam, Paris CDG, London Heathrow, Reykjavík, Frankfurt, Tokyo Haneda, and Seoul Incheon on the strength of Delta's hub structure alone. The airport sits at 841 ft (256 m) elevation between Minneapolis and Saint Paul, 16 km (10 mi) from either downtown. The facility is unusual in U.S. aviation for retaining its original 1960s-era name (Wold–Chamberlain Field) as part of its formal designation, a reminder of the airport's pre-jet-age origins. Two terminals — Terminal 1 (Lindbergh) and Terminal 2 (Humphrey) — operate as parallel but separate facilities, with Delta and its partners almost entirely in T1 and most low-cost, ultra-low-cost, and charter carriers in T2. The two are linked by the METRO Blue Line light rail, not by an airside connector, which is a structural feature unusual among U.S. hubs and effectively requires outbound re-security between terminals. Four runways including the 11,006 ft (3,355 m) 04/22 support the compressed Delta hub banks, and the winter operational profile — sustained cold, regular heavy snowfall, and extended low-visibility periods — has made MSP one of the most capable de-icing and winter-operations airports in the world. The airport's Deicing Operations Center regularly handles more than 200 aircraft in a single weather event, a throughput benchmarked in industry winter-ops planning.