Diversion — UAL1734

K1B9 · 14

2026-07-25 11:06 UTC· KBOS K1B9· UNITED AIRLINES INC· B39M

UAL1734 (United Airlines) was operating from KBOS to KIAD (Washington Dulles International Airport) on 2026-07-25. SkyMeter detected a diversion to Mansfield Municipal Airport (K1B9) on runway 14 at 11:06 UTC. Peak cruise altitude FL314, turnaround area near New Brighton, US. METAR at the time reported 2 kt wind, 2 kt crosswind component, 16,093 m visibility. 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 →

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 14
  • 120 ft AGL at event
  • 120 kt ground speed
  • 0 fpm vertical
  • 2 kt wind
  • 2 kt crosswind component
  • 16,093 m visibility
  • METAR K1B9 160515Z AUTO 00000KT 10SM CLR 10/10 A3037 RMK AO2 T01000099

Flight context

  • UAL1734
  • United Airlines
  • B39M
  • KBOS → K1B9
  • 2026-07-25 11:06 UTC
  • K1B9 runway 14

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· K1B9