🇺🇸 N8681M - Boeing 737NG 8H4/W - Southwest Airlines SWA2614/WN2614, Seattle-Tacoma (SEA) to Nashville (BNA) - 4.4 mi away @ 36950 ft, heading SE at 558 mph. Spotted 115x before. [04:32:42 AM CDT] #ABEF16 #N8681M #B738 #SOUTHWEST #SWA2614 #WN2614 #ADSB #ADSBbot