United Airlines UA639 Flight Status
According to Trip.com real-time data, the UA639 flight operated by United Airlines on Nov 8, 2026 is scheduled to fly from Boston (BOS) to Los Angeles (LAX). The flight is expected to depart at 17:59 (local time in Boston, UTC-5) and land at 20:49 (local time in Los Angeles, UTC-8) .
Fri, Nov 6
Sun, Nov 8
Mon, Nov 9
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Arrived
The flight has arrived 21m early
6h 38m
Check-in Counter
--
Boarding Gate
B24
Arrival Gate
75B
Baggage
3
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Scheduled
Your flight will depart on time.
6h 38m
Check-in Counter
--
Boarding Gate
B24
Arrival Gate
76B
Baggage
3
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Scheduled
Your flight will depart on time.
6h 38m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
72A
Baggage
3
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Need a flight from Boston to Los Angeles?
United Airlines From JPY 30,380
Search flights Information provided by VariFlight. Please refer to airport announcements for the most up-to-date information. You can also explore more flights from Boston to Los Angeles or track other flights with our flight status tracker.
Flight.News
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UA639 Aircraft Details
According to Trip.com real-time data, the UA639 flight flying from Boston to Los Angeles on 11/8/2026 is operated by the aircraft model Boeing 757-200. This aircraft has been in service for 28y, 5m. The aircraft is equipped with 169 seats.
Boeing 757-200
Punctuality (Departure)
23
%
Punctuality (Arrival)
70
%
Late on average
23 minutes
Age
28y, 5m
Seats
169
Flight Distance
--
Economy
Business
First
Premium Economy
In-Flight Services
None
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
79 cm
More legroom than on 25% of flights
--
Seat width
120°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
193 cm
More legroom than on 73% of flights
52 cm
Seat width better than on 13% of flights
180°
Reclining Angle
Fully reclinable
2-2
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
--
Legroom
--
Seat width
--
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
On-demand entertainment
Wi-Fi is available
Power outlet
Seat Information
94 cm
More legroom than on 67% of flights
43 cm
Seat width better than on 17% of flights
135°
Reclining Angle
3-3
Seat layout example
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Recent Flight History for UA639
Trip.com historical records show that the last UA639 flight departed on Fri, Nov 6 from BOS at approximately 18:57. This flight is expected to arrrive in LAX at 21:16.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Oct 29 | Boston (BOS) | Los Angeles (LAX) | 752 | 18:01 | 20:51 | Arrived |
| Fri, Oct 30 | Boston (BOS) | Los Angeles (LAX) | 752 | 18:33 | 21:28 | Arrived |
| Sun, Nov 1 | Boston (BOS) | Los Angeles (LAX) | 752 | 18:31 | 21:24 | Arrived |
| Thu, Nov 5 | Boston (BOS) | Los Angeles (LAX) | 752 | 18:13 | 21:04 | Arrived |
| Fri, Nov 6 | Boston (BOS) | Los Angeles (LAX) | 752 | 18:57 | 21:16 | Arrived |
| Sun, Nov 8 | Boston (BOS) | Los Angeles (LAX) | 752 | 17:59 | 20:49 | Scheduled |
| Mon, Nov 9 | Boston (BOS) | Los Angeles (LAX) | 752 | 17:59 | 21:37 | Scheduled |
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UA639 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA639 is 23% (Late on average 1 hour 4 minutes), and the on-time arrival rate is 70% (Late on average 23 minutes).
On-Time Departures
Punctuality
23
%
Late on average
1 hour 4 minutes
Early
0
%
On time
23
%
30 mins late
50
%
60 mins late
17
%
90 mins late
10
%
Cancelled
0
%
On-Time Arrivals
Punctuality
70
%
Late on average
23 minutes
Early
43
%
On time
27
%
30 mins late
20
%
60 mins late
0
%
90 mins late
10
%
Cancelled
0
%
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Frequently Asked Questions
What is the current status of flight ua639?
Flight ua639 has not departed yet and is currently on schedule. Scheduled departure 17:59, arrival 21:37 (updated Nov 8, 2026).Is flight ua639 on time today?
Flight ua639 has not departed yet and is currently on schedule. Scheduled departure is 17:59, with arrival at 21:37. Recheck gate and timing before you head to the airport.Has flight ua639 departed yet? What is the departure time?
Flight ua639 is scheduled to depart at 17:59. The latest actual or estimated departure time is 17:59, and the current status is Scheduled (updated Nov 8, 2026).When is flight ua639 scheduled to arrive?
Flight ua639 is scheduled to arrive at 21:37. The latest estimated or actual arrival time is 20:49. Status is Scheduled as of Nov 8, 2026.What is the gate information for flight ua639?
For flight ua639, the departure terminal is B and the boarding gate is B24. Gate assignments can change at short notice—confirm on airport screens before heading to security.What is the baggage carousel number for flight ua639?
After arrival, baggage for flight ua639 is expected at carousel 3 in terminal T7. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua639 fly?
Flight ua639 is operated by United Airlines from Boston (BOS) to Los Angeles (LAX). Typical flight time is about 6 hours 38 minutes; operating days may include Sunday.How can I check real-time status for flight ua639?
Track flight ua639 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ua639 is delayed or canceled, what should I do?
If ua639 is delayed or canceled, first confirm the latest status here (Scheduled, updated Nov 8, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua639 departed from Boston?
Flight ua639 has not departed from Boston (BOS) yet and is currently on schedule for 17:59.What is the seat configuration for flight ua639?
Flight ua639 usually flies a Boeing 757-200 with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: Los Angeles Weather & Current Time
Clear
|
16°C - 29°C
Weather forecast for your arrival day
-3 hour time difference
Time on arrival: Boston 00:37
|
Los Angeles 21:37
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