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

🇺🇸 N143SY - Embraer EMB-175 LR - United Express SKW5235/OO5235, George Bush Intcntl/Houston (IAH) to General Mitchell (MKE) - 8.5 mi away @ 34750 ft, heading NNE at 451 mph. Spotted 28x before! [09:02:16 AM CDT] #A0AF7C #N143SY #E75L #SKYWEST #SKW5235 #OO5235 #autopilot #ADSB #ADSBbot

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

🇺🇸 N143SY - Embraer EMB-175 LR - United Express SKW5292/OO5292, Chicago O'Hare (ORD) to General Mariano Escobedo (MTY) - 3.9 mi away @ 31775 ft, heading SSW at 509 mph. Spotted 27x before! [10:15:09 AM CDT] #A0AF7C #N143SY #E75L #SKYWEST #SKW5292 #OO5292 #autopilot #ADSB #ADSBbot

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

🇺🇸 N143SY - Embraer EMB-175 LR - United Express SKW5712/OO5712, George Bush Intcntl/Houston (IAH) to St Louis Lambert (STL) - 3.5 mi away @ 3375 ft, heading N at 278 mph. Spotted 26x before! [02:15:15 PM CDT] #A0AF7C #N143SY #E75L #SKYWEST #SKW5712 #OO5712 #autopilot #Landing #ADSB #ADSBbot

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

🇺🇸 N143SY - Embraer EMB-175 LR - United Express SKW5194/OO5194 - 6.9 mi away @ 36700 ft, heading SW at 481 mph. Spotted 25x before! [09:17:17 AM CDT] #A0AF7C #N143SY #E75L #SKYWEST #SKW5194 #OO5194 #autopilot #ADSB #ADSBbot

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

🇺🇸 N143SY - Embraer EMB-175 LR - United Express SKW5292/OO5292, Chicago O'Hare (ORD) to General Mariano Escobedo (MTY) - 4.2 mi away @ 33175 ft, heading SW at 416 mph. Spotted 24x before! [09:34:02 AM CST] #A0AF7C #N143SY #E75L #SKYWEST #SKW5292 #OO5292 #autopilot #ADSB #ADSBbot