LATAM Airlines LA3840 Flight status
According to Trip.com real-time data, the LA3840 flight operated by LATAM Airlines on Sep 20, 2026 is scheduled to fly from Brasilia (BSB) to Santarem (STM). The flight is expected to depart at 23:50 and arrive at 02:06 .
Sat, Sep 19
Sun, Sep 20
Mon, Sep 21
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Arrived
The flight has arrived 16m early
Brasilia(BSB)
23:57
Scheduled: 23:50, Sep 19
Brasilia–President Juscelino Kubitschek International Airport 2h 35m
Check-in Counter
--
Boarding Gate
37
Arrival Gate
--
Baggage
2
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Scheduled
Your flight will depart on time.
Brasilia(BSB)
23:50
Scheduled: 23:50, Sep 20
Brasilia–President Juscelino Kubitschek International Airport 2h 35m
Check-in Counter
--
Boarding Gate
42
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
Brasilia(BSB)
23:50
Scheduled: 23:50, Sep 21
Brasilia–President Juscelino Kubitschek International Airport 2h 35m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
Track the Previous Flight Status: Scheduled
LA4546
|
Sao Paulo (SAO) 
Brasilia (BSB)
Brasilia (BSB)Scheduled: 22:45
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LA3840 Aircraft Details
According to Trip.com real-time data, the LA3840 flight from Brasilia to Santarem on 9/20/2026 is operated using the aircraft model Airbus A320. This aircraft has been in service for 17y, 11m. The aircraft has 174 seats.
Airbus A320
Punctuality (Departure)
80%
Punctuality (Arrival)
90%
Late on average
0 minutes
Age
17y, 11m
Seats
174
Flight Distance
--
Economy
Premium Economy
In-Flight Services
Snacks
Inflight entertainment is available
Wi-Fi (additional charge)
USB port
Seat Information
76 cm
More legroom than on 15% of flights
46 cm
Seat width better than on 100% of flights
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Snacks
Inflight entertainment is available
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
81 cm
Legroom
46 cm
Seat width better than on 100% of flights
110°
Reclining Angle
3-3
Seat layout example
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Flight History for LA3840
Trip.com historical records show that the last LA3840 flight departed on Sat, Sep 19 from BSB at approximately 23:57. This flight is expected to arrrive in STM at 02:09.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 15 | Brasilia (BSB) | Santarem (STM) | A20N | 23:59 | 02:16 | Arrived |
| Wed, Sep 16 | Brasilia (BSB) | Santarem (STM) | 319 | 00:26 | 02:38 | Arrived |
| Thu, Sep 17 | Brasilia (BSB) | Santarem (STM) | 320 | 00:10 | 02:22 | Arrived |
| Fri, Sep 18 | Brasilia (BSB) | Santarem (STM) | 319 | 00:18 | 02:32 | Arrived |
| Sat, Sep 19 | Brasilia (BSB) | Santarem (STM) | A20N | 23:57 | 02:09 | Arrived |
| Sun, Sep 20 | Brasilia (BSB) | Santarem (STM) | 320 | 23:50 | 02:06 | Scheduled |
| Mon, Sep 21 | Brasilia (BSB) | Santarem (STM) | 319 | 23:50 | 02:25 | Scheduled |
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LA3840 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of LA3840 is 80% (Late on average 19 minutes), and the on-time arrival rate is 90% (Early on average 0 minutes).
On-Time Departures
Punctuality
80%
Late on average 19 minutes
Early
0%
On time
80%
30 mins late
17%
60 mins late
3%
90 mins late
0%
Cancelled
0%
On-Time Arrivals
Punctuality
90%
Early on average 0 minutes
Early
63%
On time
27%
30 mins late
10%
60 mins late
0%
90 mins late
0%
Cancelled
0%
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Cheap return flights to Brasilia
- Fri, Oct 16Santarem (STM)Brasilia (BSB)
AzulOne way48% offTWD 5,266TWD 2,747 - Fri, Nov 6Santarem (STM)Brasilia (BSB) AzulOne way39% offTWD 5,266TWD 3,208
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Flight FAQs
What is the current status of flight la3840?
Flight la3840 has not departed yet and is currently on schedule. Scheduled departure 23:50, arrival 02:25 (updated Sep 20, 2026).Is flight la3840 on time today?
Flight la3840 has not departed yet and is currently on schedule. Scheduled departure is 23:50, with arrival at 02:25. Recheck gate and timing before you head to the airport.Has flight la3840 departed yet? What is the departure time?
Flight la3840 is scheduled to depart at 23:50. The latest actual or estimated departure time is 23:50, and the current status is Scheduled (updated Sep 20, 2026).When is flight la3840 scheduled to arrive?
Flight la3840 is scheduled to arrive at 02:25. The latest estimated or actual arrival time is 02:06. Status is Scheduled as of Sep 20, 2026.What route does flight la3840 fly?
Flight la3840 is operated by LATAM Airlines from Brasilia (BSB) to Santarem (STM). Typical flight time is about 2 hours 35 minutes; operating days may include Sunday.How can I check real-time status for flight la3840?
Track flight la3840 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 la3840 is delayed or canceled, what should I do?
If la3840 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 20, 2026). Contact LATAM Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight la3840 departed from Brasilia?
Flight la3840 has not departed from Brasilia (BSB) yet and is currently on schedule for 23:50.What is the seat configuration for flight la3840?
Flight la3840 usually flies a Airbus A320 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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