<p class="" data-start="0" data-end="94"><br data-start="124" data-end="127" /> Wondering <strong data-start="137" data-end="174">what terminal Southwest is at BNA? Southwest Airlines operates exclusively from <strong data-start="221" data-end="236">Concourse C at <strong data-start="240" data-end="281">Nashville International Airport (BNA). This complete guide to the <strong data-start="310" data-end="336">Southwest <strong data-start="310" data-end="336">BNA<strong data-start="310" data-end="336"> Terminal covers everything from check-in and security to dining and parking.