DL9973 Salt Lake CitySLC SeattleSEA
DL9973 by Delta Air Lines flies from Salt Lake City (SLC) to Seattle (SEA).
scheduled from SLC
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SLC 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 on this route
ForecastSalt Lake City to Seattle with Delta Air Lines · Sat 31 Oct, local date
- Chance a departure leaves 60+ min late
- 7.3%1.1× usual
Forecast weather: 89% chance of rain at Salt Lake City; 44% chance of fog at Seattle
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 6 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Salt Lake City to Seattle flights today
same route · Delta Air LinesIf DL9973 is cancelled, these are the other Delta Air Lines nonstop flights from Salt Lake City to Seattle on the same day, with scheduled departure times in SLC 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 DL9973 actually runs
Pro Flight Search has tracked every published board update for DL9973 across the SLC and SEA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at SLC and SEA.
The verdict above is that record speaking, so it reflects how DL9973 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SLC and SEA published them.
Planning around DL9973? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: DL9973 Salt Lake City to Seattle on-time performance, measured from the SLC and SEA airport boards.
https://proflightsearch.com/flight/DL9973
.