ICAO: A4493F
Owner: UNITEDAIRLINES
Flt: UAL2700 N37537 B39M ORD-BOS
Time: 2026-02-07 09:46:52 EST
Min Alt: 10200 ft
Min Dist: 1.1 nm (48deg NE)

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

ICAO: A4493F
Owner: UNITED AIRLINES
Flt: UAL1349 N37537 B39M BOS-ORD-MCO
Time: 2026-01-29 09:52:40 EST
Min Alt: 13475 ft
Min Dist: 1.2 nm (81° E)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

ICAO: A4493F
Owner: UNITED AIRLINES
Flt: UAL1989 N37537 B39M PHX-ORD-BOS
Time: 2026-01-28 21:16:21 EST
Min Alt: 9750 ft
Min Dist: 1 nm (19° NNE)
Squawk: 6223

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

ICAO: A4493F
Owner: UNITED AIRLINES
Flt: UAL2104 N37537 B39M ORD-BOS
Time: 2025-10-19 09:20:18 EDT
Min Alt: 8275 ft
Min Dist: 1 km (23° NNE)
Squawk: 4131
Loudness: -1 dB
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

ICAO: A4493F
Owner: UNITED AIRLINES
Flt: UAL1783 N37537 B39M LAX-BOS
Time: 2025-10-14 20:34:55 EDT
Min Alt: 9650 ft
Min Dist: 1 km (24° NNE)
Loudness: 0 dB
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

ICAO: A4493F
Owner: UNITED AIRLINES
Flt: UAL2356 N37537 B39M LAS-SFO-BOS
Time: 2025-10-14 01:40:09 EDT
Min Alt: 9100 ft
Min Dist: 0.7 km (-92° W)
Loudness: 0 dB
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

Planefence ICAO: A4493F
Flt: UAL2136 UNITEDAIRLINES LAX - BOS
First seen: 2025-08-26 19:25:51 EDT
Min Alt: 4200 ft MSL
Min Dist: 0.69 nm
adsb planefence by kx1t - airplanes.live - planefence

Planefence ICAO: A4493F
Flt: UAL2136 UNITEDAIRLINES LAX - BOS
First seen: 2025-08-26 19:25:13 EDT
Min Alt: 2425 ft MSL
Min Dist: 0.05 mi
adsb planefence by kx1t - adsbexchange - planefence

Planefence ICAO: A4493F
Flt: UAL2104 UNITEDAIRLINES DCA - DEN
First seen: 2025-06-29 09:37:50 EDT
Min Alt: 1100 ft MSL
Min Dist: 1.06 mi
adsb planefence by kx1t - adsbexchange - planefence

Planefence ICAO: A4493F
Flt: UAL1482 UNITEDAIRLINES SAT - SFO
First seen: 2025-06-12 11:33:59 EDT
Min Alt: 2025 ft MSL
Min Dist: 0.32 mi
adsb planefence by kx1t - adsbexchange - planefence

Planefence ICAO: A4493F
Flt: UAL1554 UNITEDAIRLINES SJC - DEN
First seen: 2025-05-12 06:07:31 EDT
Min Alt: 1275 ft MSL
Min Dist: 0.27 mi
adsb planefence by kx1t - adsbexchange - planefence

Planefence ICAO: A4493F
Flt: UAL1008 UNITEDAIRLINES BOS - SFO
First seen: 2025-05-11 08:13:26 EDT
Min Alt: 1950 ft MSL
Min Dist: 0.28 mi
adsb planefence by kx1t - adsbexchange - planefence

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

🇺🇸 N37537 - Boeing 737MAX 9 - United Airlines UAL2400/UA2400, Denver (DEN) to St Louis Lambert (STL) - 3.2 mi away @ 8650 ft, heading E at 327 mph. Spotted 3x before! [09:30:27 PM CDT] #A4493F #N37537 #B39M #UNITED #UAL2400 #UA2400 #Landing #Arrival #ADSB #ADSBbot