AS 1142 Santa Rosa to Seattle Flight Status

Alaska Airlines Flight AS1142 from Santa Rosa Sonoma County Airport STS to Seattle Tacoma International Airport SEA is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on October 3rd, 2025.
Check the table below for AS1142's most recent flight history:

AS 1142 Flight Status & Schedule

Date Departure Arrival Status
Oct 03 07:16 08:59
Landed
Track >
Oct 02 07:11 08:34
Landed
Track >
Oct 01 07:17 08:43
Landed
Track >
Sep 30 08:37 10:07
Delayed
Track >
Sep 29 07:14 08:48
Landed
Track >

Alaska Airlines AS 1142 Santa Rosa to Seattle Flight Information

Alaska Airlines Flight AS1142 connects Santa Rosa, United States to Seattle, United States, taking off from Santa Rosa Sonoma County Airport STS and landing at Seattle Tacoma International Airport SEA.

How long is the AS1142 flight from Santa Rosa to Seattle?

The average flight time from Santa Rosa to Seattle is 1 hour and 30 minutes. The flight distance is 995 km / 618 miles and the average flight speed is 665 km/h / 413 mph.

What is the On-Time Performance (OTP) of Alaska Airlines Flight AS1142 Santa Rosa to Seattle?

The Airportia On-Time Performance Rating for Alaska Airlines Flight AS1142 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest AS1142 flight?

The latest flight took off on Friday, October 3rd, 2025 with the flight status being Landed on 08:59.

How else can the flight AS1142 be referenced as?

This Alaska Airlines flight can also be referenced as ASA1142, AS 1142, ASA 1142.

How often is flight AS1142 delayed?

On average, 10% of all AS1142 flights are delayed. The average delay is 54 minutes.

Can I get compensation for my delayed or cancelled AS1142 flight or baggage issues?

If your AS1142 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 AS1142 Flight Tracker above for more details.

AS1142 and Santa Rosa STS to Seattle SEA Flights

Flight AS1142 is code-shared by 2 airlines using the flight numbers HA7138, QR8890

Other flights departing from Santa Rosa STS: AS3205, AS3322, AS3470, AS3467

Other flights arriving at Seattle SEA: AA3334, AS3281, AS3495, AS2107

All flights connecting Santa Rosa STS to Seattle SEA.

AS1142 Alaska Airlines Flight: Santa Rosa to Seattle Route Map

AS1142 Alaska Airlines Flight Map: Santa Rosa to Seattle
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.