AS 3378 Las Vegas to Seattle Flight Status

Alaska Airlines Flight AS3378 from Las Vegas McCarran International Airport LAS to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on January 6th, 2026.
Check the table below for AS3378's most recent flight history:

AS 3378 Flight Status & Schedule

Date Departure Arrival Status
Jan 06 16:54 19:13
Landed Late
Track >
Jan 05 15:44 17:58
Landed
Track >

Alaska Airlines AS 3378 Las Vegas to Seattle Flight Information

Alaska Airlines Flight AS3378 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 AS3378 flight from Las Vegas to Seattle?

The average flight time from Las Vegas to Seattle is 2 hours and 16 minutes. The flight distance is 1395 km / 867 miles and the average flight speed is 613 km/h / 381 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS3378 Las Vegas to Seattle?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS3378 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS3378 arriving at?

Flight AS3378 arrives at Seattle Tacoma International Airport (SEA) Terminal 2.

When was the latest AS3378 flight?

The latest flight took off on Wednesday, January 7th, 2026 with the flight status being Landed on 19:13.

How else can the flight AS3378 be referenced as?

This Alaska Airlines flight can also be referenced as ASA3378, AS 3378, ASA 3378.

How often is flight AS3378 delayed?

On average, 50% of all AS3378 flights are delayed. The average delay is 53 minutes.

Can I get compensation for my delayed or cancelled AS3378 flight or baggage issues?

If your AS3378 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 AS3378 Flight Tracker above for more details.

AS3378 and Las Vegas LAS to Seattle SEA Flights

Flight AS3378 is code-shared by 3 airlines using the flight numbers HA4886, JX7025, TN2421

Other flights departing from Las Vegas LAS: AF305, NK1900, TA527, SY3065

Other flights arriving at Seattle SEA: AS2475, AS3297, OO297, 8C3550

All flights connecting Las Vegas LAS to Seattle SEA.

AS3378 Alaska Airlines Flight: Las Vegas to Seattle Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.