Diversion — SWA3991

KORD · 10C

2026-03-30 12:32 UTC· KMDW → KORD· SOUTHWEST AIRLINES CO· B738

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SWA3991 (Southwest Airlines) was operating from KMDW to KRSW (Southwest Florida International Airport) on 2026-03-30. SkyMeter detected a diversion to Chicago O'Hare International Airport (KORD) on runway 10C at 12:32 UTC. Peak altitude 10,610 ft, turnaround area near Calumet Park, US. Approach stability score: 71/100. 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 8 kt wind, 7 kt crosswind component, 16,093 m visibility. Detection algorithm and known limitations: see SkyMeter methodology.

Pilot review data

  • Runway 10C
  • 650 ft AGL at event
  • 120 kt ground speed
  • 0 fpm vertical
  • Approach stability 71/100
  • 8 kt wind
  • 7 kt crosswind component
  • 16,093 m visibility
  • METAR KORD 241351Z 09009KT 10SM OVC049 17/11 A3035 RMK AO2 SLP277 T01670111

Flight context

  • SWA3991
  • Southwest Airlines
  • B738
  • KMDW → KORD
  • 2026-03-30 12:32 UTC
  • KORD runway 10C

All events on this flight

Diversion 12:32:11 UTC · KORD runway 10C · 650 ft AGL · 120 kt GS
Diversion 12:32:11 UTC · KORD runway 10C · 650 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· KORD