Williston Basin International Airport — Williston, United States

Williston Basin International Airport, coded XWA, serves Williston, North Dakota, a city transformed by the Bakken oil boom that reshaped the surrounding region's economy and population. Opened to replace an older facility with capacity constraints, this modern airport was built specifically to handle surging passenger and cargo demand tied to energy sector workers and executives traveling to the oilfields. Despite its rural North Dakota setting, XWA offers surprisingly robust scheduled service to major hub airports, reflecting sustained industry investment. The terminal features contemporary amenities uncommon for a city of Williston's size, a direct result of oil revenue funding infrastructure upgrades. XWA remains closely tied to fluctuations in energy prices, with traffic patterns mirroring the broader health of the Bakken drilling industry.