Unstable approach — UAL653

KIAD · 19L

2026-08-03 02:32 UTC· UMB BANK NA TRUSTEE· B38M

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UAL653 (UMB Bank NA) was inbound to KIAD on 2026-08-03. SkyMeter detected a low approach-stability score at Washington Dulles International Airport (KIAD) on runway 19L at 02:32 UTC. Trace data at the event: 1416 ft AGL, 138 kt GS. Approach stability score: 60/100. Scores in this band occur on roughly 10-15% of approaches at this runway, with multiple gates outside the per-runway envelope. METAR at the time reported 6 kt wind, 1 kt crosswind component, 16,093 m visibility. The approach-stability score rates the final approach against stabilized-approach gates (glideslope, lateral deviation, descent rate, and IAS) at defined altitudes. A low score means one or more of those were outside the normal envelope for how the approach was flown. The score is graded by guidance type, so instrument approaches (ILS or an aligned straight-in) are held to the full gate set, while visual and pattern arrivals are surfaced only when the score is clearly low. The score is advisory and observational, a deviation measure, not an assertion of an accident. Detection algorithm and known limitations: see SkyMeter methodology.

Active FAA TFR during this flight

Source: FAA TFR archive (hourly snapshot)
  • VIP6/0568 2026-07-31 19:00Z – 2026-08-03 22:30Z SFC–4,999 ft

    Middleburg, VA, Friday, July 31, 2026 through Monday, August 3, 2026 Local

    View FAA NOTAM →
  • VIP6/0992 2026-08-02 21:45Z – 2026-08-03 23:45Z SFC–4,999 ft

    Middleburg, VA, Sunday, August 2, 2026 through Monday, August 3, 2026 Local

    View FAA NOTAM →

SkyMeter cross-referenced this flight against FAA-published TFRs that were active during its window and within its geographic bounding box. Overlap doesn't necessarily mean violation — the aircraft may have been outside the TFR’s precise polygon or flying under air-traffic-control coordination.

Pilot review data

  • Runway 19L
  • 1416 ft AGL at event
  • 138 kt ground speed
  • 0 fpm vertical
  • Approach stability 60/100
  • 6 kt wind
  • 1 kt crosswind component
  • 16,093 m visibility
  • KIAD 161852Z 19005KT 10SM FEW250 29/18 A3032 RMK AO2 SLP265 T02890183

Flight context

  • UAL653
  • UMB Bank NA
  • B38M
  • 2026-08-03 02:32 UTC
  • KIAD runway 19L

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