DL820 Salt Lake CitySLC · 10:40 WashingtonDCA · 16:49
DL820 by Delta Air Lines flies from Salt Lake City (SLC) to Washington (DCA).
scheduled from SLC
⚖ DL820 typically leaves +17 and lands −16. The air wins minutes back.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 operationmedian arrival −16 min · 0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SLC and DCA 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 Washington with Delta Air Lines · Mon 2 Nov, local date
- Chance a departure leaves 60+ min late
- 4.2%0.9× usual
Forecast weather: 93% chance of rain at Salt Lake City
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 1 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 Washington flights today
same route · Delta Air LinesIf DL820 is cancelled, this is the other Delta Air Lines nonstop flight from Salt Lake City to Washington 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 DL820 actually runs
Pro Flight Search has tracked every published board update for DL820 across the SLC and DCA boards: schedule changes, gate pushes and actual clocks. Usually lands ~12 min early. Based on 13 confirmed landings · 12/13 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how DL820 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: N575DN, N616DN, N614DN, N588DT.
Board clocks recorded as SLC and DCA published them.
Planning around DL820? 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: DL820 Salt Lake City to Washington on-time performance, measured from the SLC and DCA airport boards.
https://proflightsearch.com/flight/DL820
.