DL440Delta Air Lines · HNL → SEA
live · 13m ago
Route confirmed Delta Air Lines

DL440 HonoluluHNL SeattleSEA

DL440 by Delta Air Lines flies from Honolulu (HNL) to Seattle (SEA).

Right nowNext departure today Operates daily
22:40

scheduled from HNL

The route today

live boards
HNLHonoluluModerate riskHNL delay board →
SEASeattleHigh riskSEA delay board →
HNL→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
36%Chance of 15+ min delay
0.8%Chance of cancellation
+8 minTypical airport delay in this weather

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. 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 Honolulu

Forecast

Wed 4 Nov, local date

High29°Clikely 28°C to 29°C
Low24°Clikely 23°C to 24°C
  • 83% chance of rain

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.

Tomorrow at Seattle

Forecast

Wed 4 Nov, local date

High14°Clikely 12°C to 15°C
Low5°Clikely 4°C to 7°C
  • 27% chance of fog

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.

Other Honolulu to Seattle flights today

same route · Delta Air Lines
DL359departs 13:05

If DL440 is cancelled, this is the other Delta Air Lines nonstop flight from Honolulu to Seattle on the same day, with scheduled departure times in HNL local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How DL440 actually runs

Pro Flight Search has tracked every published board update for DL440 across the HNL and SEA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 56.2/100. Based on airport operations, weather, and cached board history at HNL and SEA.

The verdict above is that record speaking, so it reflects how DL440 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
11-02HNL 23:40SEA 07:35
11-01HNL 23:40SEA 07:35
10-31HNL 23:40SEA 07:35
10-30HNL 22:40SEA 07:35
10-29HNL 22:40SEA 07:35
10-28HNL 22:40SEA 07:35
10-27HNL 22:40SEA 07:35
10-26HNL 22:40SEA 07:35
10-25HNL 22:40SEA 07:35

Board clocks recorded as HNL and SEA published them.

Planning around DL440? 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: DL440 Honolulu to Seattle on-time performance, measured from the HNL and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/DL440
How we measure this →