| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 04 | SEA | SJC | 21:52 | 23:42 |
Delayed
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| Jan 03 | SEA | SJC | 21:01 | 22:51 |
Delayed
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| Jan 02 | SEA | SJC | 19:39 | 21:47 |
Landed
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| Dec 30 | SEA | SJC | 19:33 | 21:26 |
Landed
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| Dec 29 | SEA | SJC | 19:38 | 21:25 |
Landed
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| Dec 28 | SEA | SJC | 19:34 | 21:11 |
Landed
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| Dec 27 | SEA | SJC | 19:43 | 21:19 |
Landed
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| Dec 26 | SEA | SJC | 19:45 | 21:24 |
Landed
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| Dec 23 | SEA | SJC | 19:47 | 21:56 |
Landed
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| Dec 22 | SEA | SJC | 19:38 | 21:41 |
Landed
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Delta Air Lines Flight DL3994 connects Seattle, United States to San Jose, United States, taking off from Seattle Tacoma International Airport SEA and landing at San Jose International Airport SJC.
How long is the DL3994 flight from Seattle to San Jose?
The average flight time from Seattle to San Jose is 1 hour and 51 minutes. The flight distance is 1122 km / 697 miles and the average flight speed is 612 km/h / 380 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL3994 Seattle to San Jose?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL3994 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL3994 arriving at?
Flight DL3994 arrives at San Jose International Airport (SJC) Terminal A.
When was the latest DL3994 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being En-Route on 23:42.
How else can the flight DL3994 be referenced as?
This Delta Air Lines flight can also be referenced as DAL3994, DL 3994, DAL 3994.
How often is flight DL3994 delayed?
On average, 30% of all DL3994 flights are delayed. The average delay is 57 minutes.
Can I get compensation for my delayed or cancelled DL3994 flight or baggage issues?
If your DL3994 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 DL3994 Flight Tracker above for more details.
Flight DL3994 is code-shared by 2 airlines using the flight numbers KL6447, VS1766
Other flights departing from Seattle SEA: AS727, DL2743, WN380, DL4009
Other flights arriving at San Jose SJC: WN3201, AS3435, WN3310, WN2792
All flights connecting Seattle SEA to San Jose SJC.
