DL351Delta Air Lines · SEA → HNL
live · 41m ago
Route confirmed Delta Air Lines

DL351 SeattleSEA · 08:25 HonoluluHNL

DL351 by Delta Air Lines flies from Seattle (SEA) to Honolulu (HNL) for the Thu, Oct 29 departure.

Right nowOn time · gate A10 · as of 04:22
08:25

departs SEA · on schedule

Typical arrival+3 minmedian over 7 operations

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-28
+5 arrival
10-27
−13 arrival
10-26
−6 arrival
10-25
+4 arrival
10-24
+19 arrival
10-23
−3 arrival
10-22
+3 arrival

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

median arrival +3 min · 0 cancelled · 7 operations tracked

The route today

live boards
SEASeattleModerate riskSEA delay board →
HNLHonoluluOn-time likelyHNL delay board →
SEA→HNLevery 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
+6 minTypical airport delay in this weather

Conditions at SEA and HNL 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 on this route

Forecast

Seattle to Honolulu with Delta Air Lines · Fri 30 Oct, local date

Outlook: about usual
Chance a departure is cancelled
1.7%0.4× usual
Chance a departure leaves 60+ min late
19%1.2× usual

Forecast weather: 74% chance of rain at Seattle

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 2 departures a day on this route with this airline. · 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 Seattle to Honolulu flights today

same route · Delta Air Lines
DL419departs 16:36

If DL351 is cancelled, this is the other Delta Air Lines nonstop flight from Seattle to Honolulu on the same day, with scheduled departure times in SEA 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 DL351 actually runs

Pro Flight Search has tracked every published board update for DL351 across the SEA and HNL boards: schedule changes, gate pushes and actual clocks. Combined risk score: 37.3/100. Based on airport operations, weather, and cached board history at SEA and HNL.

The verdict above is that record speaking, so it reflects how DL351 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
10-28SEA 08:25HNL 11:40 11:45 (+5)
10-27SEA 08:25HNL 11:40 11:27 (−13)
10-26SEA 08:25HNL 11:40 11:34 (−6)
10-25SEA 08:25HNL 11:40 11:44 (+4)
10-24SEA 08:25HNL 11:40 11:59 (+19)
10-23SEA 08:25HNL 11:40 11:37 (−3)
10-22SEA 08:25HNL 11:40 11:43 (+3)

Board clocks recorded as SEA and HNL published them.

Planning around DL351? 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: DL351 Seattle to Honolulu on-time performance, measured from the SEA and HNL airport boards.

Canonical URL
https://proflightsearch.com/flight/DL351
How we measure this →