🇺🇸 N8631A - Boeing 737NG 8H4/W - Southwest Airlines SWA3426/WN3426, Chicago Midway (MDW) to San Antonio (SAT) - 5.5 mi away @ 41325 ft, heading SW at 530 mph. Spotted 117x before. [09:56:38 PM CDT] #ABDC78 #N8631A #B738 #SOUTHWEST #SWA3426 #WN3426 #ADSB #ADSBbot