logo

AS2109 Flight Information & Schedule

Alaska Airlines · Seattle–Tacoma International Airport (SEA) to Boise Air Terminal/Gowen Field (BOI)

Enter a flight number and departure date to find the flight page
AS2109 Seattle–Tacoma International Airport to Boise Air Terminal/Gowen Field nonstop flight: schedule, airports, aircraft and travel guide.

AS2109 Flight Overview

AS2109 is operated by Horizon Air as Alaska Horizon and connects Seattle–Tacoma International Airport (SEA) and Boise Air Terminal/Gowen Field (BOI). Scheduled departure: 2026-10-29 17:40 (UTC-07:00); scheduled arrival: 2026-10-29 20:06 (UTC-06:00).

AirlineAlaska Airlines
Flight numberAS2109
RouteSEA to BOI
Scheduled duration1 hr 26 min

Seattle to Boise Route Information

AS2109 is a nonstop flight from Seattle–Tacoma International Airport (SEA) to Boise Air Terminal/Gowen Field (BOI). Use the information below to plan your journey.

Route distanceApprox. 640 km
Scheduled flight time1 hr 26 min
Time difference60 min
Flight typenonstop
01

Departure

Scheduled departure: 2026-10-29 17:40 (UTC-07:00). Confirm airport transport and terminal opening hours in advance.

02

Arrival

Scheduled arrival: 2026-10-29 20:06 (UTC-06:00). Arrange pickup, hotel and onward transport for the arrival date.

03

Time zones

Departure: Seattle (UTC-07:00); arrival: Boise (UTC-06:00).

AS2109 On-time Performance & History

Methodology

93%Arrival on-time rate
Sample flights93 (flights)
Average departure delay28 min
Average arrival delay3 min
Cancllation rate0%
Longest delay40 min
Early arrivals47%

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

Embraer 175

Economy 32 in; Business 37 in

Seat layout76

Business 12 · Economy 64

Business Class1-2

37 in

Seat configuration depends on the operating aircraft

Economy Class2-2

32 in

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

Inflight entertainmentIn-flight entertainment is unavailable

Inflight Wi-FiWi-Fi is available

Availability and fees depend on the flight

PowerBusiness: Power outlets; Economy: No power outlets are available

BassinetUnavailable

Accessibility-

AS2109 Airports

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

Seattle–Tacoma International Airport Departure & Boise Air Terminal/Gowen Field Arrival Guide

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

SEA

Departing from Seattle–Tacoma International Airport

AS2109 is scheduled to depart from . Allow time for international check-in, baggage drop, security and immigration.

BOI

Arriving at Boise Air Terminal/Gowen Field

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 20:06. 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 Seattle–Tacoma International Airport 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, andBoise Air Terminal/Gowen Field’ latest arrival declaration requirements.

What should I check before flying AS2109?

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

AS2109 Frequently Asked Questions

Which airline operates this flight?

AS2109 is operated by Alaska Airlines.

Where does it depart and arrive?

Seattle–Tacoma International Airport (SEA) → Boise Air Terminal/Gowen Field (BOI).

What are the departure and arrival times?

Scheduled departure 17:40, arrival 20:06 · 1 hour 26 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: In-flight entertainment is unavailable.

Explore This Route

Departure airportFlights from Seattle–Tacoma International Airport
Arrival airportBoise Air Terminal/Gowen Field information
Operating airlineHorizon Air as Alaska Horizon information