Frederick Tremblay
Spotted overhead ·
7:43 PM
· Sun, May 3, 2026
UAL639
United Airlines · UA639 · Boeing 737 MAX 9 · N37555
BOS
Boston Logan International Airport
›
LAX
Los Angeles International Airport
Altitude
FL320
Speed
412 KT
ICAO Hex
A44983
Squawk
6411