Delta Air Lines
DL3987 Flight Status
Based on Trip.com’s real-time data, the DL3987 flight operated by Delta Air Lines on Oct 9, 2026 is scheduled to fly from Seattle (SEA) to Los Angeles (ONT). The flight is expected to depart at 19:56 and land at 22:07 .
Thu, Oct 8
Fri, Oct 9
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Delayed
Your flight is about 1h 24m late.
2h 47m
Check-in Counter
ZONE 3
Boarding Gate
A6
Arrival Gate
207
Baggage
--
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Scheduled
Your flight will depart on time.
2h 47m
Check-in Counter
ZONE 3
Boarding Gate
A12
Arrival Gate
207
Baggage
--
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Information provided by VariFlight
For the latest updates, please refer to airport announcements or consult your airline.
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Flight.News
An Extreme Heat Warning remains in effect for Los Angeles until 8 PM PDT this evening. Dangerously hot conditions will produce temperatures between 90 and 100 degrees along the coast and up to 106 degrees in the valleys. Extreme heat significantly increases the risk of heat-related illnesses. Very hot temperatures are likely to continue into the second week of October.
DL3987 Aircraft Details
According to Trip.com real-time data, the DL3987 flight flying from Seattle to Los Angeles on 10/9/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 6y, 10m. The aircraft is equipped with 76 seats.
Embraer 175
Punctuality (Departure)
100
%
Punctuality (Arrival)
100
%
Early on average
21 minutes
Age
6y, 10m
Seats
76
Distance
--
Economy
First
Premium Economy
Onboard Amenities
None
In-flight entertainment is unavailable
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
79 cm
More legroom than on 8% of flights
46 cm
Seat width better than on 80% of flights
100°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
Meal included
In-flight entertainment is unavailable
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
94 cm
More legroom than on 38% of flights
51 cm
Seat width better than on 4% of flights
135°
Reclining Angle
1-2
Seat layout example
Onboard Amenities
Meal included
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seating Plan
86 cm
Legroom
46 cm
Seat width better than on 67% of flights
120°
Reclining Angle
--
Seat layout example
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Flight History for DL3987
Check more records from Trip.com about DL3987 before and after today
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Oct 3 | Vancouver (YVR) | Seattle (SEA) | E75L | 07:45 | 08:20 | Arrived |
| Sun, Oct 4 | Vancouver (YVR) | Seattle (SEA) | E75L | 07:42 | 09:20 | Diverted |
| Mon, Oct 5 | Vancouver (YVR) | Seattle (SEA) | E75L | 10:05 | 11:04 | Arrived |
| Tue, Oct 6 | Seattle (SEA) | Los Angeles (ONT) | E75L | 20:10 | 22:18 | Arrived |
| Wed, Oct 7 | Seattle (SEA) | Los Angeles (ONT) | E75L | 20:19 | 22:25 | Arrived |
| Thu, Oct 8 | Seattle (SEA) | Los Angeles (ONT) | E75L | 21:20 | 23:31 | Delayed |
| Fri, Oct 9 | Seattle (SEA) | Los Angeles (ONT) | E75L | 19:56 | 22:07 | 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 100% (Late on average 18 minutes), and the on-time arrival rate is 100% (Early on average 21 minutes).
On-Time Departures
Punctuality
100
%
Late on average
18 minutes
Early
0
%
On time
100
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
21 minutes
Early
100
%
On time
0
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
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 19:56, arrival 22:43 (updated Oct 9, 2026). -
Is flight dl3987 on time today?
Flight dl3987 has not departed yet and is currently on schedule. Scheduled departure is 19:56, with arrival at 22:43. 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 19:56. The latest actual or estimated departure time is 19:56, and the current status is Scheduled (updated Oct 9, 2026). -
When is flight dl3987 scheduled to arrive?
Flight dl3987 is scheduled to arrive at 22:43. The latest estimated or actual arrival time is 22:07. Status is Scheduled as of Oct 9, 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 Friday. -
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 9, 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 19:56. -
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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Destination Info: Los Angeles Weather & Time
Clear
|
20°C - 34°C
Expected weather conditions upon arrival
0 hour time difference
Time on arrival: Seattle 22:07
|
Los Angeles 22:07
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