| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 17 | SJC | SEA | 16:00 | 18:20 |
En-Route
|
Track > |
| Jan 17 | SJC | SEA | 15:58 | 17:42 |
Landed
|
Track > |
| Jan 11 | SJC | SEA | 14:32 | 16:30 |
Landed
|
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| Jan 10 | SJC | SEA | 16:00 | 18:20 |
En-Route
|
Track > |
| Jan 10 | SJC | SEA | 16:09 | 17:57 |
Landed
|
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| Jan 09 | SJC | SEA | 14:38 | 16:27 |
Landed
|
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| Jan 08 | SJC | SEA | 15:50 | 17:50 |
Delayed
|
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| Jan 07 | SJC | SEA | 14:37 | 16:22 |
Landed
|
Track > |
| Jan 06 | SJC | SEA | 14:33 | 16:25 |
Landed
|
Track > |
Delta Air Lines Flight DL3988 connects San Jose, United States to Seattle, United States, taking off from San Jose International Airport SJC and landing at Seattle Tacoma International Airport SEA.
How long is the DL3988 flight from San Jose to Seattle?
The average flight time from San Jose to Seattle is 1 hour and 50 minutes. The flight distance is 1122 km / 697 miles and the average flight speed is 580 km/h / 361 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL3988 San Jose to Seattle?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL3988 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest DL3988 flight?
The latest flight took off on Sunday, January 18th, 2026 with the flight status being En-Route on 18:20.
How else can the flight DL3988 be referenced as?
This Delta Air Lines flight can also be referenced as DAL3988, DL 3988, DAL 3988.
How often is flight DL3988 delayed?
On average, 11% of all DL3988 flights are delayed. The average delay is 59 minutes.
Can I get compensation for my delayed or cancelled DL3988 flight or baggage issues?
If your DL3988 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 DL3988 Flight Tracker above for more details.
Other flights departing from San Jose SJC: WN2579, DL1130, DL3988, OO3881
Other flights arriving at Seattle SEA: AS276, DL469, DL3988, AS9579
All flights connecting San Jose SJC to Seattle SEA.