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

🇺🇸 N873AS - Bombardier CRJ 200ER - Delta Connection SKW5581/OO5581, Chicago O'Hare (ORD) to Springfield-Branson Ntl (SGF) - 3.9 mi away @ 33200 ft, heading SW at 474 mph. Spotted 2x before! [10:25:56 AM CDT] #AC018C #N873AS #CRJ2 #SKYWEST #SKW5581 #OO5581 #ADSB #ADSBbot

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

🇺🇸 N873AS - Bombardier CRJ 200ER - Delta Connection SKW5409/OO5409, Huntsville-Carl T Jones Field (HSV) to Chicago O'Hare (ORD) - 16.3 mi away @ 27950 ft, heading N at 483 mph. Spotted once before! [03:22:23 PM CST] #AC018C #N873AS #CRJ2 #SKYWEST #SKW5409 #OO5409 #ADSB #ADSBbot

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

🇺🇸 N873AS - Bombardier CRJ 200ER - Delta Connection SKW5298/OO5298, Chicago O'Hare (ORD) to Springfield-Branson Ntl (SGF) - 3.8 mi away @ 31625 ft, heading SW at 355 mph. Spotted for first time! [01:46:47 PM CST] #AC018C #N873AS #CRJ2 #SKYWEST #SKW5298 #OO5298 #ADSB #ADSBbot