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

🇺🇸 N746NK - AIRBUS A321neo - Spirit Airlines NKS105/NK105, Cancun (CUN) to Chicago O'Hare (ORD) - 4.2 mi away @ 33775 ft, heading NNE at 533 mph. Spotted 2x before. [01:39:08 PM CST] #AA0A0A #N746NK #A21N #SPIRIT_WINGS #NKS105 #NK105 #ADSB #ADSBbot

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

🇺🇸 N746NK - AIRBUS A321neo - ALC A321 92024 LLC NKS1157/NK1157, Chicago O'Hare (ORD) to George Bush Intcntl/Houston (IAH) - 4.2 mi away @ 35475 ft, heading SW at 404 mph. Spotted once before. [03:11:08 PM CST] #AA0A0A #N746NK #A21N #NKS1157 #NK1157 #ADSB #ADSBbot

ICAO: AA0A0A
Owner: SPIRIT AIRLINES
Flt: NKS3900 N746NK A21N FLL-BOS
Time: 2025-12-29 10:25:25 EST
Min Alt: 3475 ft
Min Dist: 4.2 nm (63° ENE)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

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

🇺🇸 N746NK - AIRBUS A321neo - Spirit Airlines NKS1834/NK1834, Baltimore/Washington Thurgood Marshall (BWI) to Los Angeles (LAX) - 4.4 mi away @ 35750 ft, heading W at 507 mph. Spotted for first time! [08:48:20 PM CDT] #AA0A0A #N746NK #A21N #SPIRIT_WINGS #NKS1834 #NK1834 #ADSB #ADSBbot