Diversion — SWA4384

K55J · 18

2026-07-12 20:04 UTC· KDEN K55J· SOUTHWEST AIRLINES CO· B737

SWA4384 (Southwest Airlines) was operating from KDEN to KJAX (Jacksonville International Airport) on 2026-07-12. SkyMeter detected a diversion to Fernandina Beach Municipal Airport (K55J) on runway 18 at 20:04 UTC. Peak cruise altitude FL395, turnaround area near Dardanelle, US. Approach stability score: 34/100. Scores below 50 occur on under 10% of approaches at this runway and indicate the v2 scorer flagged the approach as highly anomalous (three or more gates exceeded the runway's P90 envelope simultaneously). METAR at the time reported 6 kt wind, 6 kt crosswind component. Detection algorithm and known limitations: see SkyMeter methodology.

Active FAA TFR during this flight

Source: FAA TFR archive (hourly snapshot)
  • 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 →
  • SECURITY6/4134 2026-06-01 00:00Z – 2026-07-20 23:59Z

    TULSA, OK, Monday, June 1, 2026 through Monday, July 20, 2026 UTC

    View FAA NOTAM →
  • SECURITY6/3954 2026-06-01 00:00Z – 2026-07-20 23:59Z

    STILLWATER, OK, Monday, June 1, 2026 through Monday, July 20, 2026 UTC

    View FAA NOTAM →
  • SECURITY6/3996 2026-06-01 00:00Z – 2026-07-20 23:59Z

    OKLAHOMA CITY, OK, Monday, June 1, 2026 through Monday, July 20, 2026 UTC

    View FAA NOTAM →
  • SECURITY6/3998 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft

    Atlanta, GA, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4125 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft

    MILFORD, OH, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4120 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft

    CINNCINATI, OH, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4116 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft

    LOUISVILLE, KY, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/3979 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft

    ATLANTA, GA, Monday, June 1, 2026 through Tuesday, July 21, 2026 UTC

    View FAA NOTAM →
  • SECURITY6/3980 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft

    CHATTANOOGA, TN, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/3990 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft

    CHATTANOOGA, TN, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/3991 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft

    MARIETTA, GA, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4114 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft

    LOUISVILLE, KY, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4157 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    PRAIRIE VILLAGE, KS, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/3999 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    ARLINGTON, TX, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4000 2026-06-01 05:00Z – 2026-07-21 04:59Z

    MANSFIELD, TX, Monday, June 1, 2026 through Tuesday, July 21, 2026 UTC

    View FAA NOTAM →
  • SECURITY6/4002 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    FORT WORTH, TX, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4008 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    FRISCO, TX, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4009 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    FRISCO, TX, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4019 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    IRVING, TX, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4022 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    OKLAHOMA CITY, OK, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4025 2026-06-01 05:00Z – 2026-07-21 04:59Z

    DENTON, TX, Monday, June 1, 2026 through Tuesday, July 21, 2026 UTC

    View FAA NOTAM →
  • SECURITY6/3997 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    NORMAN, OK, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/3952 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    Stillwater, OK, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4119 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    NASHVILLE, TN, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4161 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    St, Louis, MO, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4121 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    Nashville, TN, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4162 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    Kansas City, MO, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4206 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    Kansas City, MO, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4135 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    CLAYTON, MO, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4141 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    Tulsa, OK, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4146 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    Lawrence, KS, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4149 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    Lawrence, KS, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4151 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    Kansas City, MO, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4154 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    Kansas City, KS, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4155 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft

    Riverside, MO, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/8212 2026-06-17 04:01Z – 2026-07-17 03:59Z SFC–400 ft

    Kennesaw, GA, Wednesday, June 17, 2026 through Thursday, July 16, 2026 Local

    View FAA NOTAM →
  • SECURITY6/6840 2026-06-29 15:07Z – 2026-07-21 04:59Z SFC–400 ft

    Mansfield, TX

    View FAA NOTAM →
  • SECURITY6/6842 2026-06-29 15:07Z – 2026-07-21 04:59Z SFC–400 ft

    Fort Worth, TX

    View FAA NOTAM →
  • HAZARDS6/1775 2026-06-30 06:00Z – 2026-07-14 04:00Z SFC–15,000 ft

    4NM SW PUEBLO, CO, Tuesday, June 30, 2026 through Tuesday, July 14, 2026 UTC

    View FAA NOTAM →
  • SECURITY6/7972 2026-07-01 16:07Z – 2026-07-21 04:59Z SFC–400 ft

    Nashville, TN

    View FAA NOTAM →
  • SECURITY6/7652 2026-07-01 16:07Z – 2026-07-21 04:59Z SFC–400 ft

    Riverside, MO

    View FAA NOTAM →
  • SECURITY6/7967 2026-07-01 16:07Z – 2026-07-21 04:59Z SFC–400 ft

    Nashville, TN

    View FAA NOTAM →
  • SECURITY6/7650 2026-07-01 16:07Z – 2026-07-21 04:59Z SFC–400 ft

    Kansas City, MO

    View FAA NOTAM →
  • SECURITY6/6843 2026-07-01 16:07Z – 2026-07-21 04:59Z SFC–400 ft

    Frisco, TX

    View FAA NOTAM →
  • SECURITY6/6844 2026-07-01 16:07Z – 2026-07-21 04:59Z SFC–400 ft

    Frisco, TX

    View FAA NOTAM →
  • HAZARDS6/2597 2026-07-02 04:41Z – 2026-07-16 04:00Z SFC–15,000 ft

    4NM SW PUEBLO, CO, Thursday, July 2, 2026 through Thursday, July 16, 2026 UTC

    View FAA NOTAM →
  • SECURITY6/7646 2026-07-03 16:07Z – 2026-07-21 04:59Z SFC–400 ft

    Lawrence, KS

    View FAA NOTAM →
  • SECURITY6/7647 2026-07-03 16:07Z – 2026-07-21 04:59Z SFC–400 ft

    Lawrence, KS

    View FAA NOTAM →
  • SECURITY6/7600 2026-07-07 13:07Z – 2026-07-21 03:59Z SFC–400 ft

    Chattanooga, TN

    View FAA NOTAM →
  • HAZARDS6/3801 2026-07-08 01:49Z – 2026-07-23 04:00Z SFC–15,000 ft

    1NM W PUEBLO, CO, Wednesday, July 8, 2026 through Thursday, July 23, 2026 UTC

    View FAA NOTAM →
  • SECURITY6/7594 2026-07-08 16:07Z – 2026-07-21 03:59Z SFC–400 ft

    Atlanta, GA

    View FAA NOTAM →
  • SECURITY6/7597 2026-07-08 16:07Z – 2026-07-21 03:59Z SFC–400 ft

    Marietta, GA

    View FAA NOTAM →
  • SECURITY6/7197 2026-07-09 11:07Z – 2026-07-21 03:59Z SFC–400 ft

    Louisville, KY

    View FAA NOTAM →
  • SECURITY6/7218 2026-07-09 11:07Z – 2026-07-21 03:59Z SFC–400 ft

    Cinncinati, OH

    View FAA NOTAM →
  • SECURITY6/7226 2026-07-09 11:07Z – 2026-07-21 03:59Z SFC–400 ft

    Milford, OH

    View FAA NOTAM →
  • SECURITY6/7651 2026-07-09 11:07Z – 2026-07-21 04:59Z SFC–400 ft

    Prairie Village, KS

    View FAA NOTAM →
  • SECURITY6/7817 2026-07-09 11:07Z – 2026-07-21 04:59Z SFC–400 ft

    St Louis, MO

    View FAA NOTAM →
  • SECURITY6/3224 2026-07-11 04:01Z – 2026-07-15 03:59Z SFC–1,000 ft

    Atlanta, GA, Saturday, July 11, 2026 through Tuesday, July 14, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4909 2026-07-11 12:00Z – 2026-07-16 23:59Z SFC–400 ft

    Pell City, AL, Saturday, July 11, 2026 through Thursday, July 16, 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 18
  • 13 ft AGL at event
  • 120 kt ground speed
  • 0 fpm vertical
  • Approach stability 34/100
  • 6 kt wind
  • 6 kt crosswind component

Flight context

  • SWA4384
  • Southwest Airlines
  • B737
  • KDEN → K55J
  • 2026-07-12 20:04 UTC
  • K55J runway 18

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· K55J