HU446Hainan Airlines · SEA → HAK
live · 53m ago
Route confirmed Hainan Airlines

HU446 SeattleSEA HaikouHAK

HU446 by Hainan Airlines flies from Seattle (SEA) to Haikou (HAK).

Same number through SEA → CKG → HAK

Right nowNext departure today Operates daily
19:25

scheduled from SEA

The route today

live boards
SEASeattleModerate riskSEA delay board →
HAKHaikouHigh riskHAK delay board →
SEA→HAKevery 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
0.7%Chance of cancellation
+11 minTypical airport delay in this weather

Conditions at SEA and HAK are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow at Seattle

Forecast

Sun 1 Nov, local date

High12°Clikely 10°C to 14°C
Low4°Clikely 3°C to 6°C
  • 47% chance of fog
Outlook: below usual
Chance a departure is cancelled
0.5%usually 0.7%
Chance a departure leaves 60+ min late
8.0%usually 9.3%

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 360 departures a day. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Chongqing

Forecast

Mon 2 Nov, local date

High19°Clikely 16°C to 23°C
Low15°Clikely 13°C to 17°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 HU446 actually runs

Pro Flight Search has tracked every published board update for HU446 across the SEA and HAK boards: schedule changes, gate pushes and actual clocks. Combined risk score: 62.0/100. Based on airport operations, weather, and cached board history at SEA and HAK.

The verdict above is that record speaking, so it reflects how HU446 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
10-29SEA 11:05HAK
10-22SEA 11:55HAK

Board clocks recorded as SEA and HAK 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: HU446 Seattle to Haikou on-time performance, measured from the SEA and HAK airport boards.

Canonical URL
https://proflightsearch.com/flight/HU446
How we measure this →