AS1878Alaska Airlines · HNL → SEA
live · 19m ago
Route confirmed Alaska Airlines

AS1878 HonoluluHNL · 07:30 SeattleSEA · 16:24

AS1878 by Alaska Airlines flies from Honolulu (HNL) to Seattle (SEA) for the Thu, Aug 20 departure.

Right nowExpected in Seattle · On time
16:24

arrival expected at SEA · on schedule

Typical gate push+21 minmedian posted departure

The route today

live boards
HNLHonoluluOn-time likelyHNL delay board →
SEASeattleOn-time likelySEA delay board →
HNL→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
0.6%Chance of cancellation
+2 minAvg hub delay right now

Conditions at HNL 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 Honolulu to Seattle flights today

same route · Alaska Airlines
AS762departs 07:00
AS902departs 10:50
AS839departs 11:05
AS822departs 12:50
AS1400departs 14:56
AS90departs 15:07

If AS1878 is cancelled, these are the other Alaska Airlines nonstop flights from Honolulu to Seattle on the same day, with scheduled departure times in HNL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How AS1878 actually runs

Pro Flight Search has tracked every published board update for AS1878 across the HNL and SEA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +21 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how AS1878 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
08-20HNL 07:30 07:51 (+21)SEA 16:24
08-19HNL 07:30 07:51 (+21)SEA 16:24

Aircraft

Recent tails: N932AK.

Board clocks recorded as HNL and SEA published them.

Planning around AS1878? 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 — AS1878 Honolulu to Seattle on-time performance, measured from the HNL and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS1878
How we measure this →