DL3789 San JoseSJC · 14:45 SeattleSEA · 17:00
DL3789 by Delta Air Lines flies from San Jose (SJC) to Seattle (SEA) for the Tue, Aug 18 departure.
arrival expected at SEA · 5 min early
board checked 30m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by SJC (San Jose), currently flying VFR (visual). 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Jose to Seattle flights today
same route · Delta Air LinesIf DL3789 is cancelled, these are the other Delta Air Lines nonstop flights from San Jose to Seattle on the same day, with scheduled departure times in SJC local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL3789 actually runs
Pro Flight Search has tracked every published board update for DL3789 across the SJC and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs ~31 min late. Based on 4 confirmed departures · 0/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how DL3789 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N610CZ, N319SY, N246SY.
Board clocks recorded as SJC and SEA published them.
Planning around DL3789? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL3789 San Jose to Seattle on-time performance, measured from the SJC and SEA airport boards.
https://proflightsearch.com/flight/DL3789
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