DL3987 VancouverYVR · 07:20 SeattleSEA · 08:35
DL3987 by Delta Air Lines flies from Vancouver (YVR) to Seattle (SEA) for the Fri, Sep 18 departure.
departs YVR · on schedule
board checked 24m ago · checking again in 45s
Where the minutes go
last 7 operations · gate push → arrivalThe 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 operation0 cancelled · 7 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at YVR and SEA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 Vancouver to Seattle flights today
same route · Delta Air LinesIf DL3987 is cancelled, these are the other Delta Air Lines nonstop flights from Vancouver to Seattle on the same day, with scheduled departure times in YVR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL3987 actually runs
Pro Flight Search has tracked every published board update for DL3987 across the YVR and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 7 confirmed departures · 7/7 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how DL3987 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: N302SY, N262SY, N278SY, N300SY.
Board clocks recorded as YVR and SEA published them.
Planning around DL3987? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL3987 Vancouver to Seattle on-time performance, measured from the YVR and SEA airport boards.
https://proflightsearch.com/flight/DL3987
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