Go-around — UAL440

KDEN · 35R

2026-05-14 19:56 UTC· KFLL → KDEN· UNITED AIRLINES INC· B39M

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UAL440 (United Airlines) was operating from KFLL to KDEN on 2026-05-14. SkyMeter detected a go-around at Denver International Airport (KDEN) on runway 35R at 19:56 UTC. Trace data at the event: 5598 ft AGL, 186 kt GS. METAR at the time reported 3 kt wind, 16,093 m visibility. A go-around is a discontinued landing approach in which the pilot adds power and climbs back to a safe altitude before re-attempting the approach or proceeding to an alternate. It is a routine safety response, not an emergency, and is taught as the standard reaction to any unstable approach. 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 →
  • 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 →
  • HAZARDS6/9916 2026-05-13 12:00Z – 2026-05-22 01:30Z SFC–2,000 ft

    27NM E OF WAYCROSS, GA, Wednesday, May 13, 2026 through Friday, May 22, 2026 UTC

    View FAA NOTAM →
  • HAZARDS6/9917 2026-05-13 12:00Z – 2026-05-22 01:30Z SFC–2,000 ft

    18NM S OF HOMERVILLE, GA, Wednesday, May 13, 2026 through Friday, May 22, 2026 UTC

    View FAA NOTAM →
  • AIR SHOWS/SPORTS6/8734 2026-05-14 15:30Z – 2026-05-17 21:00Z SFC–15,000 ft

    Vero Beach, FL, Thursday, May 14, 2026 through Sunday, May 17, 2026 UTC

    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 35R
  • 5598 ft AGL at event
  • 186 kt ground speed
  • 0 fpm vertical
  • 3 kt wind
  • 0 kt crosswind component
  • 16,093 m visibility
  • KDEN 201153Z 21005KT 10SM SCT110 BKN130 11/08 A3014 RMK AO2 SLP146 70006 T01110083 10139 20094 53002 $

Flight context

  • UAL440
  • United Airlines
  • B39M
  • KFLL → KDEN
  • 2026-05-14 19:56 UTC
  • KDEN runway 35R

All events on this flight

Go-around 19:56:33 UTC · KDEN runway 35R · 5,598 ft AGL · 186 kt GS
Go-around 19:56:33 UTC · KDEN runway 35R · 5,598 ft AGL · 186 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· KDEN