UAL639

Flight number

UAL639

Airline

United Airlines (UAL)

Route

Boston Logan International Airport (BOS/KBOS) → Los Angeles International Airport (LAX/KLAX)

Observed take-off

2026-09-30 23:21 UTC

Observed landing

2026-10-01 04:59 UTC

Aircraft

N17448 · BOEING 737 MAX 9

Positions recorded

11585

Source: observations by the map.flights community network of ADS-B receivers; times in UTC.