| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 28 | SEA | PDX | 18:55 | 20:02 |
Scheduled
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| Sep 25 | SEA | PDX | 18:55 | 20:02 |
Scheduled
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| Sep 18 | SEA | PDX | 18:55 | 20:02 |
Scheduled
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| Sep 17 | SEA | PDX | 18:55 | 20:02 |
Scheduled
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| Sep 16 | SEA | PDX | 18:55 | 20:02 |
Scheduled
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| Sep 08 | SEA | PDX | 18:55 | 20:02 |
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| Jun 06 | SEA | PDX | 20:40 | 21:11 |
Landed
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| Jun 05 | SEA | PDX | 20:40 | 21:10 |
Landed
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| Jun 04 | SEA | PDX | 20:42 | 21:18 |
Landed
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| Jun 03 | SEA | PDX | 20:41 | 21:14 |
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Delta Air Lines Flight DL3997 connects Seattle, United States to Portland, United States, taking off from Seattle Tacoma International Airport SEA and landing at Portland International Airport PDX.
How long is the DL3997 flight from Seattle to Portland?
The average flight time from Seattle to Portland is 32 minutes. The flight distance is 208 km / 129 miles and the average flight speed is 266 km/h / 165 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL3997 Seattle to Portland?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL3997 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest DL3997 flight?
The latest flight took off on Tuesday, September 29th, 2026 with the flight status being Scheduled on 20:02.
How else can the flight DL3997 be referenced as?
This Delta Air Lines flight can also be referenced as DAL3997, DL 3997, DAL 3997.
How often is flight DL3997 delayed?
On average, 10% of all DL3997 flights are delayed. The average delay is 2 minutes.
Can I get compensation for my delayed or cancelled DL3997 flight or baggage issues?
If your DL3997 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our DL3997 Flight Tracker above for more details.
Other flights departing from Seattle SEA: AS434, AS1438, AS2280, QX2280
Other flights arriving at Portland PDX: AS1477, AS646, AS1318, AS1705
All flights connecting Seattle SEA to Portland PDX.
