| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 12 | LAS | SEA | 19:11 | 21:29 |
Landed
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Track > |
| Apr 10 | LAS | SEA | 19:11 | 21:06 |
Landed
|
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| Apr 09 | LAS | SEA | 19:09 | 21:11 |
Landed
|
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| Apr 08 | LAS | SEA | 19:09 | 21:14 |
Landed
|
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| Apr 07 | LAS | SEA | 19:11 | 21:15 |
Landed
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| Apr 06 | LAS | SEA | 19:04 | 21:23 |
Landed
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| Apr 05 | LAS | SEA | 18:58 | 21:05 |
Landed
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| Apr 03 | LAS | SEA | 19:05 | 21:15 |
Landed
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| Apr 02 | LAS | SEA | 19:02 | 21:32 |
Landed
|
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| Apr 01 | LAS | SEA | 19:51 | 22:08 |
Landed Late
|
Track > |
Delta Air Lines Flight DL1521 connects Las Vegas, United States to Seattle, United States, taking off from Las Vegas McCarran International Airport LAS and landing at Seattle Tacoma International Airport SEA.
How long is the DL1521 flight from Las Vegas to Seattle?
The average flight time from Las Vegas to Seattle is 2 hours and 10 minutes. The flight distance is 1395 km / 867 miles and the average flight speed is 644 km/h / 400 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL1521 Las Vegas to Seattle?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL1521 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest DL1521 flight?
The latest flight took off on Monday, April 13th, 2026 with the flight status being Landed on 21:29.
How else can the flight DL1521 be referenced as?
This Delta Air Lines flight can also be referenced as DAL1521, DL 1521, DAL 1521.
How often is flight DL1521 delayed?
On average, 10% of all DL1521 flights are delayed. The average delay is 20 minutes.
Can I get compensation for my delayed or cancelled DL1521 flight or baggage issues?
If your DL1521 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 DL1521 Flight Tracker above for more details.
Flight DL1521 is code-shared by 2 airlines using the flight numbers AM4347, KE3141
Other flights departing from Las Vegas LAS: DL1443, F93850, AS2179, WN657
Other flights arriving at Seattle SEA: AS822, AS124, AS550, DL3795
All flights connecting Las Vegas LAS to Seattle SEA.