🇺🇸 N27464 - United Airlines UAL2412/UA2412, Baltimore/Washington Thurgood Marshall (BWI) to Denver (DEN) - 4.0 mi away @ 29850 ft, heading W at 523 mph. Spotted for first time! [10:06:48 AM CDT]
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Map of the St. Louis area showing the position and track of the aircraft described in the post.