United Airlines UA639 Flight Status : Live Tracking & Updates

Domestic flight United Airlines UA639 takes off from Boston (BOS) United States to Los Angeles (LAX) United States. It's operated by United Airlines. The plane leaves Logan International Airport at 18:20 06 May 2026 America/New_York. The flight is expected to land at Los Angeles International Airport at 21:55 06 May 2026 America/Los_Angeles. The flight will last about 6 hours 35 minutes.

Current status of UA639 is Scheduled On time Estimated Depart in 13 hours

UA639 - UAL639 United Airlines (UA)
BOS Boston United States
Flight BOS to LAX
LAX Los Angeles United States
Scheduled On time Estimated Depart in 13 hours
Departure Logan International Airport
IATA: BOSICAO: KBOS
Scheduled 18:20 06 May 2026
Estimated 18:20 06 May 2026
B B23
Arrival Los Angeles International Airport
IATA: LAXICAO: KLAX
Scheduled 21:55 06 May 2026
Estimated 21:55 06 May 2026
7 82
UA639 Detail
  • Type: Domestic Flight
  • Code Shares: AZ 4381, NZ 9450, OZ 6283, VA 8303
  • Flight Duration: 6 hours 35 minutes
  • Flight Distance: 4201 kms / 2610 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 213
  • Freight capacity: 3 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • Aircraft: Boeing 737MAX 9 Passenger
  • Callsign: F-KHLN1
  • Departure Timezone: America/New_York
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Boston: Wednesday 2026-05-06 05:20 AM
  • Current Time in Los Angeles: Wednesday 2026-05-06 02:20 AM

United Airlines UA639 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA639
AIRPLANE Boeing 737MAX 9 Passenger
ON TIME 14
DELAYED 0
CANCELLED 0
ON TIME 28
DELAYED 2
CANCELLED 0
ON TIME 54
DELAYED 6
CANCELLED 0
ON TIME 69
DELAYED 6
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA639 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Sat 02 May
Scheduled On time
Boston (BOS) 2026-05-02T18:20
Los Angeles (LAX) 2026-05-02T21:55
Wed 29 Apr
Scheduled On time
Boston (BOS) 2026-04-29T17:55
Los Angeles (LAX) 2026-04-29T21:26
Tue 28 Apr
Arrived On time
Boston (BOS) 2026-04-28T10:10
Los Angeles (LAX) 2026-04-28T18:35
2026-04-28T10:10
2026-04-28T18:09
Mon 27 Apr
Scheduled On time
Boston (BOS) 2026-04-27T17:55
Los Angeles (LAX) 2026-04-27T21:26
Sat 25 Apr
Departed On time
Boston (BOS) 2026-04-25T18:20
Los Angeles (LAX) 2026-04-25T21:55
2026-04-25T18:19
Thu 23 Apr
Departed On time
Boston (BOS) 2026-04-23T18:20
Los Angeles (LAX) 2026-04-23T21:55
2026-04-23T18:15
Wed 22 Apr
Departed On time
Boston (BOS) 2026-04-22T17:55
Los Angeles (LAX) 2026-04-22T21:26
2026-04-22T17:58
Mon 20 Apr
Scheduled On time
Boston (BOS) 2026-04-20T17:55
Los Angeles (LAX) 2026-04-20T21:26
Sat 18 Apr
Scheduled On time
Boston (BOS) 2026-04-18T18:20
Los Angeles (LAX) 2026-04-18T21:55
Thu 16 Apr
Scheduled On time
Boston (BOS) 2026-04-16T18:20
Los Angeles (LAX) 2026-04-16T21:55

Flight routes similar to United Airlines UA639

Airline Flight no Departure Arrival
British Airways BA5791
British Airways 		06/05/2026
19:00 		6 hours 33 minutes
22:33
American Airlines AA1578
American Airlines 		06/05/2026
19:00 		6 hours 33 minutes
22:33
Delta DL321
Delta 		06/05/2026
17:20 		6 hours 25 minutes
20:45
Delta DL318
Delta 		06/05/2026
10:55 		6 hours 24 minutes
14:19
Delta DL551
Delta 		06/05/2026
20:30 		6 hours 24 minutes
23:54
Virgin Australia VA8303
Virgin Australia 		06/05/2026
18:20 		6 hours 35 minutes
21:55
Korean Air KE3165
Korean Air 		06/05/2026
17:20 		6 hours 2 minutes
20:45
TAP Portugal TP4327
TAP Portugal 		06/05/2026
06:00 		6 hours 55 minutes
09:29

United Airlines Flight UA639 FAQs

What is the scheduled flight duration for United Airlines UA639 flight?

On average, nonstop flight takes 6 hour(s) 35 minutes, with the flight distance of 4201 km (2610 miles).

What is the current status of United Airlines UA639 flight?

The current status of flight United Airlines UA639 is Scheduled On time.

What type of aircraft is used for the United Airlines UA639 flight?

All United Airlines UA639 flights are operated using Boeing 737MAX 9 Passenger aircraft.

When does the flight United Airlines UA639 arrive?

Flight United Airlines UA639 arrives at 21:55.

Which terminal the flight United Airlines UA639 is arriving at?

Flight United Airlines UA639 arrives in Los Angeles International Airport at Terminal 7.

How many United Airlines UA639 flights are operated a week?

7 flights per week. The Flight United Airlines UA639 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .