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Grilled Cheese is a product of Village Compute

Version devBuilt at: 2026-10-10 01:38:52 EDT

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@abovestlouis.comSep 25, 2026, 12:54 PM

🇺🇸 N21723 - Boeing 737NG 724/W - United Airlines UAL539/UA539, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 5.1 mi away @ 38000 ft, heading SW at 480 mph. Spotted 31x before. [07:54:47 AM CDT] #A1D63D #N21723 #B737 #UNITED #UAL539 #UA539 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.
@ke0opr.bsky.socialSep 10, 2026, 2:26 PM

ICAO: A1D63D
Owner: UNITEDAIRLINES
Flt: UAL544 N21723 B737
Time: 2026-09-10 09:05:21 CDT
Min Alt: 30000 ft
Min Dist: 50.6 nm (-70deg WNW)
Squawk: 2412
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