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AS663 Flight Information & Schedule

Alaska Airlines · Seattle–Tacoma International Airport (SEA) to Salt Lake City International Airport (SLC)

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AS663 Seattle–Tacoma International Airport to Salt Lake City International Airport nonstop flight: schedule, airports, aircraft and travel guide.

AS663 Flight Overview

AS663 is operated by Alaska Airlines and connects Seattle–Tacoma International Airport (SEA) and Salt Lake City International Airport (SLC). Scheduled departure: 2026-10-29 14:42 (UTC-07:00); scheduled arrival: 2026-10-29 17:46 (UTC-06:00).

AirlineAlaska Airlines
Flight numberAS663
RouteSEA to SLC
Scheduled duration2 hr 4 min

Seattle to Salt Lake City Route Information

AS663 is a nonstop flight from Seattle–Tacoma International Airport (SEA) to Salt Lake City International Airport (SLC). Use the information below to plan your journey.

Route distanceApprox. 1,107 km
Scheduled flight time2 hr 4 min
Time difference60 min
Flight typenonstop
01

Departure

Scheduled departure: 2026-10-29 14:42 (UTC-07:00). Confirm airport transport and terminal opening hours in advance.

02

Arrival

Scheduled arrival: 2026-10-29 17:46 (UTC-06:00). Arrange pickup, hotel and onward transport for the arrival date.

03

Time zones

Departure: Seattle (UTC-07:00); arrival: Salt Lake City (UTC-06:00).

AS663 On-time Performance & History

Methodology

93%Arrival on-time rate
Sample flights93 (flights)
Average departure delay41 min
Average arrival delay12 min
Cancllation rate16%
Longest delay-
Early arrivals60%

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

Boeing 737

Economy 32 in; Business 37 in

Seat layout124

Business 16 · Economy 108

Business Class2-2

37 in

Seat configuration depends on the operating aircraft

Economy Class3-3

32 in

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

Inflight entertainmentInflight entertainment is available

Inflight Wi-FiWi-Fi (additional charge)

Availability and fees depend on the flight

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

BassinetUnavailable

Accessibility-

AS663 Airports

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

Seattle–Tacoma International Airport Departure & Salt Lake City International Airport Arrival Guide

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

SEA

Departing from Seattle–Tacoma International Airport

AS663 is scheduled to depart from . Allow time for international check-in, baggage drop, security and immigration.

SLC

Arriving at Salt Lake City International Airport

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

 

Planning your arrival

Scheduled arrival: 2026-10-29 17:46. 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, andSalt Lake City International Airport’ latest arrival declaration requirements.

What should I check before flying AS663?

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

AS663 Frequently Asked Questions

Which airline operates this flight?

AS663 is operated by Alaska Airlines.

Where does it depart and arrive?

Seattle–Tacoma International Airport (SEA) → Salt Lake City International Airport (SLC).

What are the departure and arrival times?

Scheduled departure 14:42, arrival 17:46 · 2 hours 4 minutes.

Which terminal is used for check-in?

Departure terminal No data, arrival terminal B. 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: Inflight entertainment is available.

Explore This Route

Departure airportFlights from Seattle–Tacoma International Airport
Arrival airportSalt Lake City International Airport information
Operating airlineAlaska Airlines information