AS 151 Houston to Seattle Flight Status

Alaska Airlines Flight AS151 from Houston George Bush Intercontinental Airport IAH to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 8th, 2026.
Check the table below for AS151's most recent flight history:

AS 151 Flight Status & Schedule

Date Departure Arrival Status
Mar 08 21:22 23:42
Delayed
Track >
Mar 08 19:18 22:17
Delayed >2h
Track >

Alaska Airlines AS 151 Houston to Seattle Flight Information

Alaska Airlines Flight AS151 connects Houston, United States to Seattle, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Seattle Tacoma International Airport SEA.

How long is the AS151 flight from Houston to Seattle?

The average flight time from Houston to Seattle is 4 hours and 20 minutes. The flight distance is 3013 km / 1872 miles and the average flight speed is 695 km/h / 432 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS151 Houston to Seattle?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS151 is 3.6/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AS151 arriving at?

Flight AS151 arrives at Seattle Tacoma International Airport (SEA) Terminal B.

When was the latest AS151 flight?

The latest flight took off on Monday, March 9th, 2026 with the flight status being En-Route on 23:42.

How else can the flight AS151 be referenced as?

This Alaska Airlines flight can also be referenced as ASA151, AS0151, AS 151, ASA 151.

How often is flight AS151 delayed?

On average, 100% of all AS151 flights are delayed. The average delay is 85 minutes.

Can I get compensation for my delayed or cancelled AS151 flight or baggage issues?

If your AS151 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 AS151 Flight Tracker above for more details.

AS151 and Houston IAH to Seattle SEA Flights

Flight AS151 is code-shared by 2 airlines using the flight numbers HA4973, QR3381

Other flights departing from Houston IAH: AA878, UA8196, NK2024, F94181

Other flights arriving at Seattle SEA: AS1317, AS143, AS158, AS461

All flights connecting Houston IAH to Seattle SEA.

AS151 Alaska Airlines Flight: Houston 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.