SLC → SEASalt Lake City to Seattle

live

Direct flights from Salt Lake City (SLC) to Seattle (SEA): 14 nonstop departures observed each week across 2 airlines. 63% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is 13 minutes late. No cancellations were recorded across the 8 tracked flights. The nonstop covers 1,107 km, an estimated 1 hour 55 minutes in the air. Measured by Pro Flight Search from live flight boards at Salt Lake City and Seattle. Updated 22 October 2026 at 21:48 UTC.

Today, SLC → SEA

Thu 22 Oct · local times
AS734AlaskaIn the air, 16 min late

Left SLC at 15:18, 16 min after its 15:02 slot.

Landing
16:05SEA board estimate · sched 16:17
Track AS734 →
  1. 06:05 AS3344Alaska Left 06:18 +13 Landed 07:26
  2. 07:45 DL2874Delta Air Lines Left 07:51 +6 Landed 09:10
  3. 09:42 AS719Alaska Left 13:10 +208 Landed 11:02
  4. 11:28 DL2995Delta Air Lines Left 11:49 +21 Landed 12:52
  5. 11:29 AS796Alaska Left 12:06 +37 Landed 12:44
  6. 13:26 DL2921Delta Air Lines Left 13:38 +12 Landed 14:50
  7. 15:02 AS734Alaska Left 15:18 +16 SEA est. 16:05In the air · sched 16:17
  8. 15:34 DL2817Delta Air Lines Left 15:46 +12 SEA est. 16:31In the air · sched 16:55
  9. 17:30 DL871Delta Air Lines On schedule SEA est. 18:34sched 18:52
  10. 18:42 AS665Alaska On schedule SEA est. 19:49sched 20:00
  11. · DL2016Delta Air Lines On schedule SEA est. 21:42sched 22:05
  12. · DL2998Delta Air Lines On schedule SEA est. 23:44sched 23:59

Checked SLC board 15:48 · SEA board 14:14

SLC Salt Lake City smooth · +6
SEA Seattle smooth · +0
1,107 km · ~1h 55m est.
dep bank 06:05–22:3514x weekly
Runs mixed · 2 airlines · 14x weekly · nonstop
63% on time

of the last 8 operated SLC → SEA flights arrived within 15 minutes

Median arrival delay is +13 min. 0 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+13 minacross the last 8 operated legs
Flight time~1h 55mestimated from route distance
Weekly departures14x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesDelta Air Lines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Alaska AirlinesAS

Flights AS3344 06:05 daily · AS719 09:42 daily · AS796 11:29 Mo Th Fr Su · AS734 15:02 daily

History

operated legs · board outcomes
10-22AS3344departed+13
10-22AS719departed+208
10-22AS734dep +16 → arr−12
10-22AS796departed+37
10-22DL2817dep +12 → arr−24
10-22DL2874departed+6
10-22DL2921departed+12
10-22DL2995departed+21

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SLCSalt Lake City +6 min smooth 🌤 mostly cloudy · SSW 9 kt Full SLC delay board →
SEASeattle +0 min smooth 🌤 scattered clouds · NNW 12 kt Full SEA delay board →

Weather lens

Current conditions put the pressure at SLC and SEA: 33% odds of a 15+ minute delay and around +2 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Salt Lake City to Seattle route actually runs

Pro Flight Search records official board updates for nonstop SLC to SEA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Salt Lake City (SLC) to Seattle (SEA) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SLC-SEA
How we measure this →

SLC to SEA questions

Is SLC–SEA running on time right now?

Smooth skies ahead. The departure side at SLC is the weaker end, route health score 95/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SLC–SEA?

Operators schedule morning departures around 06:05 and evening departures around 17:30 from SLC. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SEA delay card to confirm conditions when you'd arrive.

How long is the flight from SLC to SEA?

Great-circle distance is 1,107 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 108–125 min gate-to-gate on this route.

How often does SLC–SEA fly?

2 carriers operate this route, around 78 flights a week between them. Compare carrier days and times in the airline list above.