UA639 Flight Status United Airlines: Boston to Denver (UAL639)

Are you looking for the November 9th, 2026 UA 639 Boston to Los Angeles flight? Go to our UA639 Boston to Los Angeles Flight Status page >

UA 639 Boston to Denver Flight Status

Not scheduled today (November 9th, 2026). Latest flight: November 5th, 2026 ; recent history is in the table below.

UA 639 Flight Status & Schedule United Airlines Boston to Denver

Date From To Departure Arrival Status Details
Nov 05 BOS DEN 18:12 20:01 Landed Track >

United Airlines' Boston–Denver flight covers 2,816 km (1,749 mi) and runs once a week, on Thursdays. The timetable allows 6 h 24 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on Thursday, landed on time.

< All Boston BOS Departures All Denver DEN Arrivals >

About UA 639

Route
Boston Logan International Airport BOS to Denver International Airport DEN
Distance
2,816 km (1,749 mi)
Scheduled flight time
6 h 24 min
Flies
Thu

UA 639 FAQ

How long is the UA639 flight?
The timetable allows 6 h 24 min. Boston to Denver is 2,816 km (1,749 mi).
Which days does UA639 fly?
Once a week, on Thursdays, based on the schedule of the last 7 days.
What other flight numbers does UA639 have?
Also listed as UAL639 (United Airlines' ICAO code) and UA 639.

UA639 and Boston BOS to Denver DEN Flights

Other flights departing from Boston BOS: DL514, 9K1859, DL1098, YX5714

Other flights arriving at Denver DEN: WN3546, DL493, UA2148, AS310

All flights connecting Boston BOS to Denver DEN.