Gerrit Griem
Spotted overhead ·
11:13 PM
· Fri, Nov 13, 2026
UAL639
United Airlines · UA639 · Boeing 737 MAX 9 · N37535
DEN
Denver International Airport
›
MSO
Missoula International Airport
Altitude
FL340
Speed
454 KT
ICAO Hex
A4493D
Squawk
3572