Diversion — ASA355

KPDX · 10R

2026-03-13 17:51 UTC· KFLL → KPDX· ALASKA AIRLINES INC· B738

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ASA355 (Alaska Airlines) was operating from KFLL to KSEA (Seattle Tacoma International Airport) on 2026-03-13. SkyMeter detected a diversion to Portland International Airport (KPDX) on runway 10R at 17:51 UTC. Peak cruise altitude FL372, turnaround area near Hutchinson, US. Approach stability score: 93/100. 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 15 kt wind, 15 kt crosswind component, 16,093 m visibility. Detection algorithm and known limitations: see SkyMeter methodology.

Active FAA TFR during this flight

Source: FAA TFR archive (hourly snapshot)
  • SECURITY5/6914 2025-05-06 23:30Z – 2027-10-18 11:03Z SFC–6,000 ft

    South Padre Island, TX, Tuesday, May 6, 2025 Local

    View FAA NOTAM →
  • SECURITY5/2809 2025-10-20 12:00Z – 2026-10-20 12:00Z SFC–2,000 ft

    Palm Beach, FL, Monday, October 20, 2025 through Tuesday, October 20, 2026 Local

    View FAA NOTAM →
  • SECURITY5/0601 2025-11-30 19:00Z – 2026-05-31 18:59Z SFC–400 ft

    Los Angeles, CA, Sunday, November 30, 2025 through Sunday, May 31, 2026 Local

    View FAA NOTAM →
  • SECURITY6/0091 2026-01-04 00:01Z – 2026-07-04 23:59Z SFC–500 ft

    Coyote Wells, CA, Saturday, January 3, 2026 through Saturday, July 4, 2026 Local

    View FAA NOTAM →
  • SECURITY6/0092 2026-01-04 00:01Z – 2026-07-04 23:59Z SFC–500 ft

    CALEXICO, CA, Saturday, January 3, 2026 through Saturday, July 4, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4165 2026-02-14 07:00Z – 2026-08-15 06:59Z SFC–400 ft

    Nogales, AZ, Saturday, February 14, 2026 through Friday, August 14, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4160 2026-02-14 08:00Z – 2026-08-15 06:59Z SFC–400 ft

    Chula Vista, CA, Saturday, February 14, 2026 through Friday, August 14, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4240 2026-03-08 08:00Z – 2026-11-01 07:00Z SFC–180 ft

    SAN ANGELO, TX, Sunday, March 8, 2026 through Sunday, November 1, 2026 Local

    View FAA NOTAM →
  • SECURITY6/3475 2026-03-08 09:00Z – 2026-11-01 09:59Z SFC–180 ft

    BEALE AFB, CA, Sunday, March 8, 2026 through Sunday, November 1, 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 10R
  • 23 ft AGL at event
  • 120 kt ground speed
  • 0 fpm vertical
  • Approach stability 93/100
  • 15 kt wind
  • 15 kt crosswind component
  • 16,093 m visibility
  • METAR KPDX 271953Z 31009KT 10SM FEW100 FEW250 20/07 A2996 RMK AO2 SLP146 T02000067 $

Flight context

  • ASA355
  • Alaska Airlines
  • B738
  • KFLL → KPDX
  • 2026-03-13 17:51 UTC
  • KPDX runway 10R

All events on this flight

Diversion 17:51:54 UTC · KPDX runway 10R · 23 ft AGL · 120 kt GS
Diversion 17:51:54 UTC · KPDX runway 10R · 23 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· KPDX