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

🇺🇸 N960NK - Airbus A320 271NSL - Spirit Airlines NKS1150/NK1150, Chicago O'Hare (ORD) to George Bush Intcntl/Houston (IAH) - 4.4 mi away @ 37925 ft, heading SSW at 531 mph. Spotted 11x before! [09:53:34 PM CST] #AD5D5C #N960NK #A20N #SPIRIT_WINGS #NKS1150 #NK1150 #ADSB #ADSBbot

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

🇺🇸 N924NK - Airbus A320 271NSL - Spirit Airlines NKS1150/NK1150, Chicago O'Hare (ORD) to George Bush Intcntl/Houston (IAH) - 5.0 mi away @ 37575 ft, heading SSW at 500 mph. Spotted 2x before! [10:05:01 PM CST] #ACCE3C #N924NK #A20N #SPIRIT_WINGS #NKS1150 #NK1150 #ADSB #ADSBbot

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

🇺🇸 N919NK - Airbus A320 271NSL - Spirit Airlines NKS1150/NK1150, Chicago O'Hare (ORD) to George Bush Intcntl/Houston (IAH) - 4.0 mi away @ 33300 ft, heading SSW at 517 mph. Spotted 5x before! [10:34:53 PM CST] #ACB950 #N919NK #A20N #SPIRIT_WINGS #NKS1150 #NK1150 #ADSB #ADSBbot

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

🇺🇸 N975NK - Airbus A320 271NSL - Spirit Airlines NKS1150/NK1150, Chicago O'Hare (ORD) to George Bush Intcntl/Houston (IAH) - 4.2 mi away @ 35575 ft, heading SSW at 487 mph. Spotted 10x before! [10:03:23 PM CST] #AD976E #N975NK #A20N #SPIRIT_WINGS #NKS1150 #NK1150 #ADSB #ADSBbot