Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N680NK - Airbus A321 231SL - Spirit Airlines NKS2643/NK2643, George Bush Intcntl/Houston (IAH) to Laguardia (LGA) - 4.2 mi away @ 34525 ft, heading NE at 579 mph. Spotted 7x before! [08:11:07 PM CDT] #A9046D #N680NK #A321 #SPIRIT_WINGS #NKS2643 #NK2643 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N680NK - Airbus A321 231SL - Spirit Airlines NKS2640/NK2640, George Bush Intcntl/Houston (IAH) to Detroit Metro Wayne County (DTW) - 4.5 mi away @ 38175 ft, heading ENE at 547 mph. Spotted 6x before! [11:26:19 AM CDT] #A9046D #N680NK #A321 #SPIRIT_WINGS #NKS2640 #NK2640 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N680NK - Airbus A321 231SL - Spirit Airlines NKS540/NK540, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 4.1 mi away @ 33425 ft, heading SW at 445 mph. Spotted 5x before! [01:32:24 PM CST] #A9046D #N680NK #A321 #SPIRIT_WINGS #NKS540 #NK540 #ADSB #ADSBbot