Return to field — UCA4977

KIAD · 01R

2026-08-25 21:48 UTC· KIAD → KIAD· UNITED AIRLINES INC· E45X

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UCA4977 (United Airlines) had departed KIAD on 2026-08-25. SkyMeter detected a return to field at Washington Dulles International Airport (KIAD) on runway 01R at 21:48 UTC. Peak cruise altitude FL261, turnaround area near Walkersville, US. METAR at the time reported 0 kt wind, 16,093 m visibility. Detection algorithm and known limitations: see SkyMeter methodology.

Pilot review data

  • Runway 01R
  • 26164 ft AGL at event
  • 424 kt ground speed
  • 0 fpm vertical
  • 0 kt wind
  • 0 kt crosswind component
  • 16,093 m visibility
  • KIAD 160952Z 15005KT 10SM CLR 16/14 A3034 RMK AO2 SLP272 T01610139 $

Flight context

  • UCA4977
  • United Airlines
  • E45X
  • KIAD → KIAD
  • 2026-08-25 21:48 UTC
  • KIAD runway 01R

Automated analysis. Events shown on this page (such as go-around, unstable approach, or runway events) are heuristic classifications produced by algorithms from publicly broadcast ADS-B data. They are intended to surface flights of interest for further review — they are not findings of fact, and they do not determine pilot fault, regulatory compliance, or the cause of any occurrence. Coverage gaps and sensor noise can affect accuracy. Only the relevant civil aviation authority or accident investigation body can make official determinations. How we detect events · Dispute or correct this data

SkyMeter · trace data observed via ADS-B· KIAD