Delta Air Lines DL3997 Flight Status
Based on Trip.com’s real-time data, the DL3997 flight operated by Delta Air Lines on May 20, 2026 is scheduled to fly from Seattle (SEA) to Portland (PDX). The flight is expected to depart at 20:15 and land at 21:18 .
Tue, May 19
Wed, May 20
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Scheduled
Your flight will depart on time.
1h 3m
Check-in Counter
ZONE 3
Boarding Gate
--
Arrival Gate
D13
Baggage
--
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Scheduled
Your flight will depart on time.
1h 3m
Check-in Counter
ZONE 3
Boarding Gate
--
Arrival Gate
D13
Baggage
--
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Information provided by VariFlightVariFlight. For the latest updates, please refer to airport announcements or consult your airline. If this is not your flight, you can browse more options for flights from Seattle to Portland to find your schedule.
DL3997 Aircraft Details
According to Trip.com real-time data, the DL3997 flight flying from Seattle to Portland on 5/20/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 7y, 5m. The aircraft is equipped with 76 seats.
Embraer 175
Punctuality (Departure)
80%
Punctuality (Arrival)
87%
Late on average
5 minutes
Age
7y, 5m
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
Legroom
46 cm
Seat width better than on 74% of flights
100°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
None
In-flight entertainment is unavailable
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
94 cm
More legroom than on 12% of flights
51 cm
Seat width
135°
Reclining Angle
1-2
Seat layout example
Onboard Amenities
None
In-flight entertainment is unavailable
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
86 cm
Legroom
46 cm
Seat width better than on 70% of flights
120°
Reclining Angle
2-2
Seat layout example
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Flight History for DL3997
Trip.com historical records show that the last DL3997 flight departed on Tue, May 19 from SEA at approximately 20:15. This flight is expected to arrrive in PDX at 21:18.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, May 14 | Seattle (SEA) | Portland (PDX) | E7W | 20:15 | 21:18 | Scheduled |
| Fri, May 15 | Seattle (SEA) | Portland (PDX) | E7W | 20:15 | 21:18 | Scheduled |
| Sat, May 16 | Seattle (SEA) | Portland (PDX) | E7W | 20:15 | 21:18 | Scheduled |
| Sun, May 17 | Seattle (SEA) | Portland (PDX) | E7W | 20:15 | 21:18 | Scheduled |
| Mon, May 18 | Seattle (SEA) | Portland (PDX) | E7W | 20:15 | 21:18 | Scheduled |
| Tue, May 19 | Seattle (SEA) | Portland (PDX) | E7W | 20:15 | 21:18 | Scheduled |
| Wed, May 20 | Seattle (SEA) | Portland (PDX) | E7W | 20:15 | 21:18 | Scheduled |
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DL3997 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of DL3997 is 80% (Late on average 37 minutes), and the on-time arrival rate is 87% (Late on average 5 minutes).
On-Time Departures
Punctuality
80%
Late on average 37 minutes
Early
0%
On time
80%
30 mins late
7%
60 mins late
3%
90 mins late
10%
Cancelled
0%
On-Time Arrivals
Punctuality
87%
Late on average 5 minutes
Early
83%
On time
3%
30 mins late
3%
60 mins late
3%
90 mins late
7%
Cancelled
0%
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Destination Info: Portland Weather & Time
Mostly cloudy
|
10°C - 20°C
Expected weather conditions upon arrival
0 hour time difference
Time on arrival: Seattle 21:18| Portland 21:18
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