Delta Air Lines DL3987 Flight Status
According to Trip.com real-time data, the DL3987 flight operated by Delta Air Lines on Oct 29, 2026 is scheduled to fly from Seattle (SEA) to Los Angeles (ONT). The flight is expected to depart at 7:56 PM and land at 10:12 PM .
Wed, Oct 28
Thu, Oct 29
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Arrived
The flight has arrived 22m early
2h 47m
Check-in Counter
ZONE 3
Boarding Gate
B5
Arrival Gate
208
Baggage
21
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Delta Air Lines From TWD 2,997
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Scheduled
Your flight will depart on time.
2h 47m
Check-in Counter
ZONE 3
Boarding Gate
B5
Arrival Gate
208
Baggage
--
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Need a flight from Seattle to Los Angeles?
Delta Air Lines From TWD 2,997
Search flights Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from Seattle to Los Angeles or track other flights with our flight status tracker.
DL3987 Aircraft Details
According to Trip.com real-time data, the DL3987 flight flying from Seattle to Los Angeles on 10/29/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 6y, 11m. The aircraft is equipped with 76 seats.
Embraer 175
Punctuality (Departure)
82
%
Punctuality (Arrival)
95
%
Early on average
9 minutes
Age
6y, 11m
Seats
76
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
79 cm
More legroom than on 5% of flights
46 cm
Seat width better than on 85% of flights
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Meal included
In-flight entertainment is unavailable
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
94 cm
More legroom than on 42% of flights
51 cm
Seat width
135°
Reclining Angle
1-2
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seat Information
86 cm
Legroom
46 cm
Seat width better than on 70% of flights
120°
Reclining Angle
--
Seat layout example
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Flight History for DL3987
Trip.com historical records show that the last DL3987 flight departed on Wed, Oct 28 from SEA at approximately 8:07 PM. This flight is expected to arrrive in ONT at 10:21 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Oct 23 | Seattle (SEA) | Los Angeles (ONT) | E75L | 8:07 PM | 10:13 PM | Arrived |
| Sat, Oct 24 | Seattle (SEA) | Los Angeles (ONT) | E75L | 8:30 PM | 10:37 PM | Arrived |
| Sun, Oct 25 | Seattle (SEA) | Los Angeles (ONT) | E75S | 8:30 PM | 10:45 PM | Arrived |
| Mon, Oct 26 | Seattle (SEA) | Los Angeles (ONT) | E75L | 8:19 PM | 10:25 PM | Arrived |
| Tue, Oct 27 | Seattle (SEA) | Los Angeles (ONT) | E75L | 8:25 PM | 10:35 PM | Arrived |
| Wed, Oct 28 | Seattle (SEA) | Los Angeles (ONT) | E75L | 8:07 PM | 10:21 PM | Arrived |
| Thu, Oct 29 | Seattle (SEA) | Los Angeles (ONT) | E75L | 7:56 PM | 10:12 PM | Scheduled |
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DL3987 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of DL3987 is 82% (Late on average 25 minutes), and the on-time arrival rate is 95% (Early on average 9 minutes).
On-Time Departures
Punctuality
82
%
Late on average
25 minutes
Early
0
%
On time
82
%
30 mins late
14
%
60 mins late
0
%
90 mins late
5
%
Canceled
0
%
On-Time Arrivals
Punctuality
95
%
Early on average
9 minutes
Early
82
%
On time
14
%
30 mins late
0
%
60 mins late
0
%
90 mins late
5
%
Canceled
0
%
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Frequently Asked Questions
What is the current status of flight dl3987?
Flight dl3987 has not departed yet and is currently on schedule. Scheduled departure 7:56 PM, arrival 10:43 PM (updated Oct 29, 2026).Is flight dl3987 on time today?
Flight dl3987 has not departed yet and is currently on schedule. Scheduled departure is 7:56 PM, with arrival at 10:43 PM. Recheck gate and timing before you head to the airport.Has flight dl3987 departed yet? What is the departure time?
Flight dl3987 is scheduled to depart at 7:56 PM. The latest actual or estimated departure time is 7:56 PM, and the current status is Scheduled (updated Oct 29, 2026).When is flight dl3987 scheduled to arrive?
Flight dl3987 is scheduled to arrive at 10:43 PM. The latest estimated or actual arrival time is 10:12 PM. Status is Scheduled as of Oct 29, 2026.What route does flight dl3987 fly?
Flight dl3987 is operated by Delta Air Lines from Seattle (SEA) to Los Angeles (ONT). Typical flight time is about 2 hours47 minutes; operating days may include Thursday.How can I check real-time status for flight dl3987?
Track flight dl3987 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 dl3987 is delayed or canceled, what should I do?
If dl3987 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 29, 2026). Contact Delta Air Lines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight dl3987 departed from Seattle?
Flight dl3987 has not departed from Seattle (SEA) yet and is currently on schedule for 7:56 PM.What is the seat configuration for flight dl3987?
Flight dl3987 usually flies a Embraer 175 with seat layout 2-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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