Unstable approach — SWA3665

KMDW · 04L

2026-06-17 00:33 UTC· KLGA → KMDW· SOUTHWEST AIRLINES CO· B38M

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SWA3665 (Southwest Airlines) was operating from KLGA to KMDW on 2026-06-17. SkyMeter detected a low approach-stability score at Chicago Midway International Airport (KMDW) on runway 04L at 00:33 UTC. Trace data at the event: 1748 ft AGL, 131 kt GS. METAR at the time reported 13 kt wind, 11 kt crosswind component, 16,093 m visibility. The approach-stability score rates the final approach against stabilized-approach gates (glideslope, lateral deviation, descent rate, and IAS) at defined altitudes. A low score means one or more of those were outside the normal envelope for how the approach was flown. The score is graded by guidance type, so instrument approaches (ILS or an aligned straight-in) are held to the full gate set, while visual and pattern arrivals are surfaced only when the score is clearly low. The score is advisory and observational, a deviation measure, not an assertion of an accident. Detection algorithm and known limitations: see SkyMeter methodology.

Active FAA TFR during this flight

Source: FAA TFR archive (hourly snapshot)
  • SECURITY5/2811 2025-10-20 12:00Z – 2026-10-20 12:00Z SFC–1,000 ft

    NEW YORK, NY, Monday, October 20, 2025 through Tuesday, October 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/4117 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft

    Warren, NJ, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • SECURITY6/6449 2026-06-11 04:01Z – 2026-06-28 03:59Z SFC–400 ft

    New York, NY, Thursday, June 11, 2026 through Saturday, June 27, 2026 Local

    View FAA NOTAM →
  • SECURITY6/6851 2026-06-13 04:01Z – 2026-07-12 03:59Z SFC–1,000 ft

    Harrison, NJ, Saturday, June 13, 2026 through Saturday, July 11, 2026 Local

    View FAA NOTAM →
  • SECURITY6/7801 2026-06-15 04:00Z – 2026-07-07 03:29Z SFC–400 ft

    Whippany, NJ, Monday, June 15, 2026 through Monday, July 6, 2026 Local

    View FAA NOTAM →
  • VIP6/8317 2026-06-15 22:15Z – 2026-06-17 18:45Z SFC–4,999 ft

    NEW YORK, NY, Monday, June 15, 2026 through Wednesday, June 17, 2026 Local

    View FAA NOTAM →
  • SECURITY6/7956 2026-06-16 16:00Z – 2026-06-17 01:00Z SFC–3,000 ft

    East Rutherford, NJ, Tuesday, June 16, 2026 through Tuesday, June 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 04L
  • 1748 ft AGL at event
  • 131 kt ground speed
  • 0 fpm vertical
  • 13 kt wind
  • 11 kt crosswind component
  • 16,093 m visibility
  • KMDW 110553Z 15006KT 10SM BKN250 17/09 A3004 RMK AO2 SLP164 T01720094 10233 20172 402720172 58009

Flight context

  • SWA3665
  • Southwest Airlines
  • B38M
  • KLGA → KMDW
  • 2026-06-17 00:33 UTC
  • KMDW runway 04L

All events on this flight

Unstable approach 00:33:47 UTC · KMDW runway 04L · 1,748 ft AGL · 131 kt GS
Unstable approach 00:33:47 UTC · KMDW runway 04L · 1,748 ft AGL · 131 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· KMDW