Diversion — ASA378

KIAD · 01L

2026-02-02 23:14 UTC· KSEA → KIAD· ALASKA AIRLINES INC· B739

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ASA378 (Alaska Airlines) was operating from KSEA to KBWI (Baltimore/Washington International Thurgood Marshall Airport) on 2026-02-02. SkyMeter detected a diversion to Washington Dulles International Airport (KIAD) on runway 01L at 23:14 UTC. Peak cruise altitude FL346, turnaround area near Tripp, US. Approach stability score: 88/100. Scores in this band are observed on roughly 50% of approaches at this runway and represent the centerline of normal operations. METAR at the time reported 1 kt wind, 1 kt crosswind component, 16,093 m visibility. Detection algorithm and known limitations: see SkyMeter methodology.

Pilot review data

  • Runway 01L
  • 269 ft AGL at event
  • 120 kt ground speed
  • 0 fpm vertical
  • Approach stability 88/100
  • 1 kt wind
  • 1 kt crosswind component
  • 16,093 m visibility
  • KIAD 091652Z 28008G17KT 10SM BKN250 23/06 A3021 RMK AO2 SLP229 T02330056

Flight context

  • ASA378
  • Alaska Airlines
  • B739
  • KSEA → KIAD
  • 2026-02-02 23:14 UTC
  • KIAD runway 01L

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