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

🇺🇸 N857RW - Embraer EMB-170 SE - United Express RPA4548/YX4548 (LGA-XNA-LGA) - 4.5 mi away @ 36125 ft, heading ENE at 563 mph. Spotted 8x before. [12:42:57 PM CDT] #ABC2E5 #N857RW #E170 #BRICKYARD #RPA4548 #YX4548 #autopilot #ADSB #ADSBbot

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

🇺🇸 N857RW - Embraer EMB-170 SE - United Express RPA4488/YX4488 (LGA-XNA-LGA) - 4.1 mi away @ 36450 ft, heading ENE at 619 mph. Spotted 7x before. [12:40:48 PM CST] #ABC2E5 #N857RW #E170 #BRICKYARD #RPA4488 #YX4488 #autopilot #ADSB #ADSBbot

ICAO: ABC2E5
Owner: REPUBLIC AIRLINES
Flt: RPA4727 N857RW E170 ORD-CHA-ORD (?)
Time: 2025-12-25 09:26:25 EST
Min Alt: 8625 ft
Min Dist: 0.99 nm (22° NNE)
Squawk: 6661

dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

Recent photo of #N857RW — Embraer Erj-170-100. Photo courtesy of FlightAware.

There it goes! 🛬 #N857RW (Embraer Erj-170-100) is rolling by around 176 mph, rolling through near 2,700 ft and headed northeast. First time we've spotted this one. 👋

📡 https://globe.airplanes.live/?icao=abc2e5
📷 https://www.flightaware.com/photos/aircraft/N857RW