DL812Delta Air Lines · SEA → DTW
live · 12m ago
Route confirmed Delta Air Lines

DL812 SeattleSEA · 06:00 DetroitDTW · 13:23

DL812 by Delta Air Lines flies from Seattle (SEA) to Detroit (DTW).

Right nowNext departure tomorrow Operates daily
06:00

scheduled from SEA

Typical arrival−23 minmedian over 9 operations

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-21
−38 arrival
10-20
−22 arrival
10-19
−24 arrival
10-18
−21 arrival
10-17
−30 arrival
10-16
−32 arrival
10-15
−23 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 −23 min · 0 cancelled · 9 operations tracked

The route today

live boards
SEASeattleOn-time likelySEA delay board →
DTWDetroitOn-time likelyDTW delay board →
SEA→DTWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
26%Chance of 15+ min delay
1.5%Chance of cancellation
+2 minAvg hub delay right now

Conditions at SEA and DTW 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 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 Detroit flights today

same route · Delta Air Lines
DL429departs 07:15
DL2324departs 09:43
DL1706departs 11:25
DL533departs 15:00
DL810departs 23:10

If DL812 is cancelled, these are the other Delta Air Lines nonstop flights from Seattle to Detroit on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL812 actually runs

Pro Flight Search has tracked every published board update for DL812 across the SEA and DTW boards: schedule changes, gate pushes and actual clocks. Usually lands ~20 min early. Based on 8 confirmed landings · 7/8 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL812 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-21SEA 06:00DTW 13:23 12:45 (−38)
10-20SEA 06:00DTW 13:23 13:01 (−22)
10-19SEA 06:00DTW 13:23 12:59 (−24)
10-18SEA 06:00DTW 13:23 13:02 (−21)
10-17SEA 06:00DTW 13:23 12:53 (−30)
10-16SEA 06:00DTW 13:23 12:51 (−32)
10-15SEA 06:00DTW 13:23 13:00 (−23)
10-14SEA 06:00DTW 13:23 13:03 (−20)
10-13SEA 06:00DTW 13:23 13:06 (−17)

Aircraft

Recent tails: N866DN, N887DN, N843DN, N868DN.

Board clocks recorded as SEA and DTW published them.

Planning around DL812? 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 — DL812 Seattle to Detroit on-time performance, measured from the SEA and DTW airport boards.

Canonical URL
https://proflightsearch.com/flight/DL812
How we measure this →