UAL1684
- Flight number
- UAL1684
- Airline
- United Airlines (UAL)
- Route
- San Francisco International Airport (SFO/KSFO) → Lihue Airport (LIH/PHLI) At least one end of this route is not from our own observation.
- Observed take-off
- Last heard
- Aircraft
- N77259 · BOEING 737 MAX 8
- Positions recorded
- 291 As of 2026-10-03 00:35 UTC
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.