AS3159Alaska Airlines · TUS → SEA
live · just now
Route confirmed Alaska Airlines

AS3159 TucsonTUS · 07:00 SeattleSEA · 10:36

AS3159 by Alaska Airlines flies from Tucson (TUS) to Seattle (SEA).

Right nowNext departure tomorrow Operates daily
07:00

scheduled from TUS

Typical gate push+6 minmedian posted departure

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
10-02
+6 gate
09-30
+6 gate
09-29
+19 gate
09-28
+16 gate
09-27
+3 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
TUSTucsonOn-time likelyTUS delay board →
SEASeattleModerate riskSEA delay board →
TUS→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
1.2%Chance of cancellation
+12 minAvg hub delay right now

Conditions at TUS and SEA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

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.

Other Tucson to Seattle flights today

same route · Alaska Airlines
AS767departs 07:24
AS641departs 15:12

If AS3159 is cancelled, these are the other Alaska Airlines nonstop flights from Tucson to Seattle on the same day, with scheduled departure times in TUS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How AS3159 actually runs

Pro Flight Search has tracked every published board update for AS3159 across the TUS and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs ~6 min late. Based on 5 confirmed departures · 3/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AS3159 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-02TUS 07:00 07:06 (+6)SEA 10:36
10-01TUS 07:00SEA 10:36
09-30TUS 07:00 07:06 (+6)SEA 10:36
09-29TUS 07:00 07:19 (+19)SEA 10:36
09-28TUS 07:00 07:16 (+16)SEA 10:36
09-27TUS 07:00 07:03 (+3)SEA 10:36
09-26TUS SEA 10:36

Aircraft

Recent tails: N193SY, N184SY, N404SY, N191SY.

Board clocks recorded as TUS 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 — AS3159 Tucson to Seattle on-time performance, measured from the TUS and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS3159
How we measure this →