AtlasSearch

Seattle to Salt Lake City flights (SEA–SLC)

SEASeattle–Tacoma International Airport
United States
SLCSalt Lake City International Airport
United States

Alaska Airlines and Delta Air Lines fly Seattle to Salt Lake City (SEA–SLC) nonstop, a great-circle distance of 1,110 km (688 mi).

From
SEA
Seattle
To
SLC
Salt Lake City
Nonstop
Yes · 2 airlines
Airlines
AS · DL
Distance
1,110 km (688 mi)
Time difference
Salt Lake City 1 hour ahead
Most flights
Delta Air Lines
Time in the air
1h 33m · 1h 38m back
On time (Touchdown Index)
85.2%
Flights a week
AS ~21 · DL ~42
Aircraft seen
Boeing 737-800 · Airbus A321neo · Boeing 737-900

Network data imported from airport and airline sources:· How we verify

Seattle to Salt Lake City: frequently asked questions

Tracked flights between 6 September and 3 October 2026, from public ADS-B data.

How long is the SEA–SLC flight?

1h 33m wheels-up to wheels-down, the median of 265 tracked flights; SLC–SEA took 1h 38m.

Which airlines fly SEA–SLC direct?

Alaska Airlines and Delta Air Lines.

What is the time difference between Seattle and Salt Lake City?

Salt Lake City is 1 hour ahead of Seattle: a SEA departure at noon is 13:00 local time in SLC.

Is SEA–SLC usually on time?

85.2% of 485 SEA–SLC flights landed within 15 minutes of their usual time; 1.2% were over an hour late.

How many SEA–SLC flights a week?

Alaska Airlines 21 and Delta Air Lines 42 each way.

What aircraft fly SEA–SLC?

Boeing 737-800, Airbus A321neo and Boeing 737-900.

Salt Lake City to Seattle: the return flight (SLC–SEA)

Alaska Airlines, Delta Air Lines and Frontier Airlines fly SLC–SEA nonstop.

The return takes 1h 38m in the air (median of 229 tracked flights).

AirlineSEA → SLCSLC → SEA
Alaska AirlinesNonstopNonstop
Delta Air LinesNonstopNonstop
Frontier Airlines—Nonstop

Airlines flying SEA–SLC nonstop

AirlineUsually takes off (SEA time)TypeAlliance
Alaska Airlines AS09:24–18:53full-serviceoneworld
Delta Air Lines DL05:54–18:29full-serviceSkyTeam

One-stop alternatives to flying SEA–SLC nonstop

One airline on both legs; check it's sold as one ticket.

  • Via Portland (PDX) with Alaska Airlines and Delta Air Lines: 1,220 km (758 mi) flown, 10% further than nonstop.
  • Via Spokane (GEG) with Delta Air Lines: 1,240 km (769 mi) flown, 12% further than nonstop.

SEA–SLC route map

Great-circle distance 1,110 km (688 mi). Illustrative route, not an actual flight track.

More from Seattle and Salt Lake City

Other arrivals in United States

Also nonstop from SEA, nearest to SLC first (straight-line distance):

  • Idaho Falls (IDA) · 303 km (188 mi) from SLC
  • Jackson (JAC) · 330 km (205 mi) from SLC
  • Hailey (SUN) · 357 km (222 mi) from SLC
  • Hayden (HDN) · 403 km (251 mi) from SLC
  • Eagle-Vail (EGE) · 448 km (279 mi) from SLC

Explore the airlines’ route maps

Plan your arrival at Salt Lake City International Airport (SLC)

Departure

Seattle–Tacoma International Airport

Seattle–Tacoma (SEA), Seattle. In our data, 38 airlines fly nonstop from SEA to 136 destinations.

View SEA airport guide →

Arrival

Salt Lake City International Airport

Salt Lake City (SLC), Salt Lake City.

Onward from Salt Lake City

Places you can't fly to nonstop from SEA, but can from SLC — for a stopover or a second leg.

Related routes

Sources

  • en.wikipedia.org — airlines and destinations, checked 2026-10-01
  • en.wikipedia.org — airlines and destinations, checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01

Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.

Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.