🇺🇸 N928WN - Boeing 737NG 7H4/W - Southwest Airlines SWA1953/WN1953 (MDW-OKC-LAS) - 5.5 mi away @ 42500 ft, heading WSW at 493 mph. Spotted 95x before. [10:55:42 AM CDT] #ACDDE3 #N928WN #B737 #SOUTHWEST #SWA1953 #WN1953 #ADSB #ADSBbot