DL304Delta Air Lines · LAX → SEA
live · 37m ago
Route confirmed Delta Air Lines

DL304 Los AngelesLAX SeattleSEA

DL304 by Delta Air Lines flies from Los Angeles (LAX) to Seattle (SEA).

Right nowNext departure tomorrow Operates daily
09:38

scheduled from LAX

The route today

live boards
LAXLos AngelesOn-time likelyLAX delay board →
SEASeattleHigh riskSEA delay board →
LAX→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
37%Chance of 15+ min delay
1.4%Chance of cancellation
+6 minTypical airport delay in this weather

Conditions at LAX 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 Los Angeles

Forecast

Thu 5 Nov, local date

High25°Clikely 23°C to 26°C
Low15°Clikely 14°C to 16°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.

Tomorrow at Seattle

Forecast

Thu 5 Nov, local date

High14°Clikely 13°C to 15°C
Low9°Clikely 7°C to 10°C
  • 90% 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.

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 Los Angeles to Seattle flights today

same route · Delta Air Lines
DL2980departs 07:05
DL1714departs 09:45
DL1045departs 12:00
DL2606departs 14:00
DL2640departs 17:40
DL1551departs 19:10

If DL304 is cancelled, these are the other Delta Air Lines nonstop flights from Los Angeles to Seattle on the same day, with scheduled departure times in LAX 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 DL304 actually runs

Pro Flight Search has tracked every published board update for DL304 across the LAX and SEA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at LAX and SEA.

The verdict above is that record speaking, so it reflects how DL304 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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: DL304 Los Angeles to Seattle on-time performance, measured from the LAX and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/DL304
How we measure this →