AS120Alaska Airlines · ICN → SEA
live · 39m ago
Route confirmed Alaska Airlines

AS120 SeoulICN · 19:35 SeattleSEA · 13:40

AS120 by Alaska Airlines flies from Seoul (ICN) to Seattle (SEA).

Right nowNext departure Thursday Operates Mon Thu Fri Sat Sun
19:35

scheduled from ICN

Typical gate push+26 minmedian posted departure

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
10-20
+26 gate
10-19
+26 gate
10-18
+10 gate
10-17
+24 gate
10-16
+69 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

0 cancelled · 5 operations tracked

The route today

live boards
ICNSeoulModerate riskICN delay board →
SEASeattleOn-time likelySEA delay board →
ICN→SEAevery carrier, schedules and on-time historyRoute intelligence →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

How AS120 actually runs

Pro Flight Search has tracked every published board update for AS120 across the ICN and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs ~26 min late. Based on 5 confirmed departures · 1/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AS120 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-20ICN 19:35 20:01 (+26)SEA 13:40
10-19ICN 19:35 20:01 (+26)SEA 13:40
10-18ICN 19:35 19:45 (+10)SEA 13:40
10-17ICN 19:35 19:59 (+24)SEA 13:40
10-16ICN 19:35 20:44 (+69)SEA 13:40

Board clocks recorded as ICN and SEA published them.

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 — AS120 Seoul to Seattle on-time performance, measured from the ICN and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS120
How we measure this →