ICAO: A50126
Owner: UNITEDPARCELSERVICE
Flt: UPS1016 N421UP B752 SDF-BOS
Time: 2026-02-25 04:00:40 EST
Min Alt: 9850 ft
Min Dist: 1.5 nm (36deg NE)

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

ICAO: A50126
Owner: UNITED PARCEL SERVICE
Flt: UPS9733 N421UP B752 BGR-PHL
Time: 2026-01-30 09:05:09 EST
Min Alt: 40000 ft
Min Dist: 4.9 nm (-62° WNW)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

ICAO: A50126
Owner: UNITED PARCEL SERVICE
Flt: UPS1016 N421UP B752 SDF-BOS
Time: 2025-12-20 04:00:49 EST
Min Alt: 9525 ft
Min Dist: 1.01 nm (27° NNE)
Squawk: 2703

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.

🇺🇸 N421UP - Boeing 757 24APF - United Parcel Service UPS2066/5X2066, Ontario (ONT) to Bradley (BDL) - 4.7 mi away @ 39875 ft, heading ENE at 525 mph. Spotted 7x before! [04:17:16 PM CDT] #A50126 #N421UP #B752 #UPS #UPS2066 #5X2066 #ADSB #ADSBbot

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

🇺🇸 N421UP - Boeing 757 24APF - United Parcel Service UPS837/5X837, Boise Air Trml/Gowen Field (BOI) to Louisville Muhammad Ali (SDF) - 4.3 mi away @ 38050 ft, heading ESE at 641 mph. Spotted 6x before! [10:20:23 PM CST] #A50126 #N421UP #B752 #UPS #UPS837 #5X837 #ADSB #ADSBbot

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

🇺🇸 N421UP - Boeing 757 24APF - United Parcel Service UPS5774/5X5774, Chicago/Rockford (RFD) to George Bush Intcntl/Houston (IAH) - 4.8 mi away @ 39450 ft, heading SSW at 516 mph. Spotted 5x before! [04:00:00 PM CST] #A50126 #N421UP #B752 #UPS #UPS5774 #5X5774 #ADSB #ADSBbot