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AS857 Flight Information & Schedule

Alaska Airlines · Ellison Onizuka Kona International Airport at Keāhole (KOA) to Portland International Airport (PDX)

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AS857 Ellison Onizuka Kona International Airport at Keāhole to Portland International Airport nonstop flight: schedule, airports, aircraft and travel guide.

AS857 Flight Overview

AS857 is operated by Alaska as Hawaiian Airlines and connects Ellison Onizuka Kona International Airport at Keāhole (KOA) and Portland International Airport (PDX). Scheduled departure: 2026-10-29 11:56 (UTC-10:00); scheduled arrival: 2026-10-29 20:42 (UTC-07:00).

AirlineAlaska Airlines
Flight numberAS857
RouteKOA to PDX
Scheduled duration5 hr 46 min

Kailua-Kona to Portland Route Information

AS857 is a nonstop flight from Ellison Onizuka Kona International Airport at Keāhole (KOA) to Portland International Airport (PDX). Use the information below to plan your journey.

Route distanceApprox. 4,195 km
Scheduled flight time5 hr 46 min
Time difference180 min
Flight typenonstop
01

Departure

Scheduled departure: 2026-10-29 11:56 (UTC-10:00). Confirm airport transport and terminal opening hours in advance.

02

Arrival

Scheduled arrival: 2026-10-29 20:42 (UTC-07:00). Arrange pickup, hotel and onward transport for the arrival date.

03

Time zones

Departure: Kailua-Kona (UTC-10:00); arrival: Portland (UTC-07:00).

AS857 On-time Performance & History

Methodology

100%Arrival on-time rate
Sample flights100 (flights)
Average departure early4 min
Average arrival early41 min
Cancllation rate0%
Longest delay-
Early arrivals100%

Historical statistics are for reference only and do not predict future flight performance.

Aircraft, Cabin & Services

Based on currently published aircraft and cabin information; the operating aircraft may change.

Published aircraft type

Airbus A321neo

Economy 30 in

Seat layout173

Business Class-

Seat configuration depends on the operating aircraft

Economy Class3-3

30 in

MealsSnacks and meals vary by route; food for purchase in Main Cabin

Inflight entertainmentEntertainment available, please bring your own device

Inflight Wi-FiWi-Fi is available

Availability and fees depend on the flight

PowerBusiness: Power outlets; Economy: USB port and power outlet

BassinetUnavailable

Accessibility-

AS857 Airports

Terminals follow the published schedule; check official airline channels for same-day gates and operations.

Ellison Onizuka Kona International Airport at Keāhole Departure & Portland International Airport Arrival Guide

Departure date: 2026-10-29. Terminal and arrival information helps plan your journey.

KOA

Departing from Ellison Onizuka Kona International Airport at Keāhole

AS857 is scheduled to depart from . Allow time for international check-in, baggage drop, security and immigration.

PDX

Arriving at Portland International Airport

Scheduled arrival is at . After immigration, take the MRT, taxi, ride-hailing service or airport bus to the city.

 

Planning your arrival

Scheduled arrival: 2026-10-29 20:42. Use the arrival date when booking hotels and pickup services.

Flight Changes, Cancellations & Missed Flights

If the schedule or aircraft changes, follow the booking channel and operating carrier rules.

01

Schedule changes

After an airline or booking-platform notice, confirm the new date, terminal and connecting transport.

02

Cancellation and changes

Refund, rebooking and involuntary-change rules depend on the booking channel, fare conditions and airline notice.

03

Missed flight

If you may not reach the airport on time, contact the booking channel or airline quickly to protect later sectors.

Check-in, Baggage & Entry Tips

International check-in deadlines, baggage allowance and entry requirements may vary by fare and traveller.

01

Arrive early for check-in

Arrive at least 3 hours before departure. Counter opening times and online check-in rules follow Ellison Onizuka Kona International Airport at Keāhole guidance.

02

Check baggage allowance

Checked and carry-on baggage allowances depend on cabin, fare rules and membership tier. See the baggage terms in your booking.

03

Prepare entry documents

Before departure, check passport validity, visa or visa-free eligibility, andPortland International Airport’ latest arrival declaration requirements.

What should I check before flying AS857?

01

Check the departure date

For an overnight flight, check the departure date on your ticket and plan airport transport in advance.

02

Confirm the operating carrier

Follow the airline rules shown in your booking for check-in and checked baggage.

03

Check boarding information

Gates and operating times may change; follow airline notices and airport displays.

Popular route recommendations

AS857 Frequently Asked Questions

Which airline operates this flight?

AS857 is operated by Alaska Airlines.

Where does it depart and arrive?

Ellison Onizuka Kona International Airport at Keāhole (KOA) → Portland International Airport (PDX).

What are the departure and arrival times?

Scheduled departure 11:56, arrival 20:42 · 5 hours 46 minutes.

Which terminal is used for check-in?

Departure terminal No data, arrival terminal No data. Check-in, gate and baggage belt are announced on the day.

Are meals and inflight entertainment available?

Meals: Snacks and meals vary by route; food for purchase in Main Cabin. Inflight entertainment: Entertainment available, please bring your own device.

Explore This Route

Departure airportFlights from Ellison Onizuka Kona International Airport at Keāhole
Arrival airportPortland International Airport information
Operating airlineAlaska as Hawaiian Airlines information