Diversion — SWA4021

KMCI · 01L

2026-07-27 23:35 UTC· KDAL → KMCI· SOUTHWEST AIRLINES CO· B737

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SWA4021 (Southwest Airlines) was operating from KDAL to KLGA (La Guardia Airport) on 2026-07-27. SkyMeter detected a diversion to Kansas City International Airport (KMCI) on runway 01L at 23:35 UTC. Peak cruise altitude FL438, turnaround area near Broken Arrow, US. Approach stability score: 82/100. Scores in this band are observed on roughly 25% of approaches at this runway: one or more gates outside the per-runway tightest envelope, but still inside the typical operating range. METAR at the time reported 6 kt wind, 2 kt crosswind component, 16,093 m visibility. Detection algorithm and known limitations: see SkyMeter methodology.

Pilot review data

  • Runway 01L
  • 977 ft AGL at event
  • 120 kt ground speed
  • 0 fpm vertical
  • Approach stability 82/100
  • 6 kt wind
  • 2 kt crosswind component
  • 16,093 m visibility
  • KMCI 161853Z 11008KT 10SM FEW019 FEW150 SCT250 28/23 A3020 RMK AO2 SLP215 T02780233

Flight context

  • SWA4021
  • Southwest Airlines
  • B737
  • KDAL → KMCI
  • 2026-07-27 23:35 UTC
  • KMCI runway 01L

All events on this flight

Diversion 23:35:05 UTC · KMCI runway 01L · 977 ft AGL · 120 kt GS
Diversion 23:35:05 UTC · KMCI runway 19R · 0 ft AGL · 0 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· KMCI