Diversion — ASA640

KDEN · 16R

2026-01-07 16:47 UTC· KTPA → KDEN· ALASKA AIRLINES INC· B739

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ASA640 (Alaska Airlines) was operating from KTPA to KSEA (Seattle Tacoma International Airport) on 2026-01-07. SkyMeter detected a diversion to Denver International Airport (KDEN) on runway 16R at 16:47 UTC. Peak cruise altitude FL347, turnaround area near Murfreesboro, US. METAR at the time reported 12 kt wind, 6 kt crosswind component, 2,012 m visibility. Detection algorithm and known limitations: see SkyMeter methodology.

Pilot review data

  • Runway 16R
  • 5324 ft AGL at event
  • 120 kt ground speed
  • 0 fpm vertical
  • 12 kt wind
  • 6 kt crosswind component
  • 2,012 m visibility
  • KDEN 141653Z 10012KT 1 1/4SM -DZ BR OVC004 07/06 A3012 RMK AO2 SFC VIS 5 DZB18 SLP175 P0000 T00670061

Flight context

  • ASA640
  • Alaska Airlines
  • B739
  • KTPA → KDEN
  • 2026-01-07 16:47 UTC
  • KDEN runway 16R

All events on this flight

Diversion 16:47:54 UTC · KDEN runway 16R · 5,324 ft AGL · 120 kt GS
Diversion 16:47:54 UTC · KDEN runway 16R · 5,324 ft AGL · 120 kt GS
Diversion 16:47:54 UTC · KDEN runway 16R · 5,324 ft AGL · 120 kt GS
Diversion 16:47:54 UTC · KDEN runway 16R · 5,324 ft AGL · 120 kt GS
Diversion 16:47:54 UTC · KDEN runway 16R · 5,324 ft AGL · 120 kt GS
Diversion 16:47:54 UTC · KDEN runway 16R · 5,324 ft AGL · 120 kt GS

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· KDEN