| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 07 | SNA | SEA | 07:37 | 10:00 |
Landed
|
Track > |
| Jun 06 | SNA | SEA | 07:35 | 10:10 |
Landed
|
Track > |
| Jun 05 | SNA | SEA | 08:54 | 11:31 |
Landed Late
|
Track > |
| Jun 04 | SNA | SEA | 08:11 | 10:44 |
Landed
|
Track > |
| Jun 03 | SNA | SEA | 14:53 | 17:20 |
Delayed >3h
|
Track > |
| Claim > | ||||||
| Jun 02 | SNA | SEA | 07:41 | 10:11 |
Landed
|
Track > |
| Jun 01 | SNA | SEA | 08:36 | 11:05 |
Landed
|
Track > |
Delta Air Lines Flight DL3521 connects Orange County, United States to Seattle, United States, taking off from Orange County John Wayne Airport SNA and landing at Seattle Tacoma International Airport SEA.
How long is the DL3521 flight from Orange County to Seattle?
The average flight time from Orange County to Seattle is 2 hours and 30 minutes. The flight distance is 1576 km / 979 miles and the average flight speed is 629 km/h / 391 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL3521 Orange County to Seattle?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL3521 is 3.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL3521 arriving at?
Flight DL3521 arrives at Seattle Tacoma International Airport (SEA) Terminal B.
When was the latest DL3521 flight?
The latest flight took off on Saturday, June 7th, 2025 with the flight status being Landed on 10:00.
How else can the flight DL3521 be referenced as?
This Delta Air Lines flight can also be referenced as DAL3521, DL 3521, DAL 3521.
How often is flight DL3521 delayed?
On average, 43% of all DL3521 flights are delayed. The average delay is 159 minutes.
Can I get compensation for my delayed or cancelled DL3521 flight or baggage issues?
If your DL3521 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 DL3521 Flight Tracker above for more details.
Flight DL3521 is code-shared by 4 airlines using the flight numbers KE3092, KL5478, SK3942, WS8482
Other flights departing from Orange County SNA: G41593, DL3679, WN2119, WN3756
Other flights arriving at Seattle SEA: AS3308, AA839, AS2122, AS1322
All flights connecting Orange County SNA to Seattle SEA.
