Delta Air Lines DL3997 Flight status
According to Trip.com real-time data, the DL3997 flight operated by Delta Air Lines on Oct 22, 2026 is scheduled to fly from Seattle (SEA) to Portland (PDX). The flight is expected to depart at 20:55 and arrive at 21:26 .
Wed, Oct 21
Thu, Oct 22
Fri, Oct 23
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Arrived
The flight has arrived 13m early
1h 1m
Check-in Counter
ZONE 3
Boarding Gate
A6
Arrival Gate
D13
Baggage
5
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Scheduled
Your flight will depart on time.
1h 1m
Check-in Counter
ZONE 3
Boarding Gate
B3
Arrival Gate
D8
Baggage
5
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Scheduled
Your flight will depart on time.
1h 1m
Check-in Counter
ZONE 3
Boarding Gate
B4
Arrival Gate
D8
Baggage
--
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Delta Air Lines From €96
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DL3997 Aircraft Details
According to Trip.com real-time data, the DL3997 flight from Seattle to Portland on 10/22/2026 is operated using the aircraft model Embraer 175. This aircraft has been in service for 18y, 10m. The aircraft has 76 seats.
Embraer 175
Punctuality (Departure)
83
%
Punctuality (Arrival)
97
%
Early on average
11 minutes
Age
18y, 10m
Seats
76
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi (additional charge)
Power outlet
Seat Information
79 cm
Legroom
46 cm
Seat width better than on 78% of flights
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi (additional charge)
Power outlet
Seat Information
94 cm
More legroom than on 15% of flights
51 cm
Seat width
120°
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 73% of flights
100°
Reclining Angle
--
Seat layout example
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Flight History for DL3997
Trip.com historical records show that the last DL3997 flight departed on Wed, Oct 21 from SEA at approximately 21:14. This flight is expected to arrrive in PDX at 21:43.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Oct 16 | Seattle (SEA) | Portland (PDX) | E75L | 21:19 | 21:47 | Arrived |
| Sun, Oct 18 | Seattle (SEA) | Portland (PDX) | E75L | 21:01 | 21:34 | Arrived |
| Mon, Oct 19 | Seattle (SEA) | Portland (PDX) | E75L | 21:07 | 21:38 | Arrived |
| Tue, Oct 20 | Seattle (SEA) | Portland (PDX) | E75L | 21:07 | 21:37 | Arrived |
| Wed, Oct 21 | Seattle (SEA) | Portland (PDX) | E75L | 21:14 | 21:43 | Arrived |
| Thu, Oct 22 | Seattle (SEA) | Portland (PDX) | E75S | 20:55 | 21:26 | Scheduled |
| Fri, Oct 23 | Seattle (SEA) | Portland (PDX) | E7W | 20:55 | 21:56 | Scheduled |
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DL3997 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of DL3997 is 83% (Late on average 21 minutes), and the on-time arrival rate is 97% (Early on average 11 minutes).
On-Time Departures
Punctuality
83
%
Late on average
21 minutes
Early
0
%
On time
83
%
30 mins late
13
%
60 mins late
0
%
90 mins late
3
%
Cancelled
0
%
On-Time Arrivals
Punctuality
97
%
Early on average
11 minutes
Early
83
%
On time
13
%
30 mins late
0
%
60 mins late
3
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight dl3997?
Flight dl3997 has not departed yet and is currently on schedule. Scheduled departure 20:55, arrival 21:56 (updated Oct 22, 2026).Is flight dl3997 on time today?
Flight dl3997 has not departed yet and is currently on schedule. Scheduled departure is 20:55, with arrival at 21:56. Recheck gate and timing before you head to the airport.Has flight dl3997 departed yet? What is the departure time?
Flight dl3997 is scheduled to depart at 20:55. The latest actual or estimated departure time is 20:55, and the current status is Scheduled (updated Oct 22, 2026).When is flight dl3997 scheduled to arrive?
Flight dl3997 is scheduled to arrive at 21:56. The latest estimated or actual arrival time is 21:26. Status is Scheduled as of Oct 22, 2026.What route does flight dl3997 fly?
Flight dl3997 is operated by Delta Air Lines from Seattle (SEA) to Portland (PDX). Typical flight time is about 1 hour 1 minute; operating days may include Thursday.How can I check real-time status for flight dl3997?
Track flight dl3997 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 dl3997 is delayed or canceled, what should I do?
If dl3997 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 22, 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 dl3997 departed from Seattle?
Flight dl3997 has not departed from Seattle (SEA) yet and is currently on schedule for 20:55.What is the seat configuration for flight dl3997?
Flight dl3997 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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Clear
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Time on arrival: Seattle 21:26
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