🇺🇸 N8637A - Boeing 737NG 8H4/W - Southwest Airlines SWA4799/WN4799, Chicago Midway (MDW) to Okc Will Rogers (OKC) - 9.5 mi away @ 42075 ft, heading WSW at 496 mph. Spotted 117x before. [02:26:19 PM CDT] #ABDD4A #N8637A #B738 #SOUTHWEST #SWA4799 #WN4799 #ADSB #ADSBbot