DL1861 AtlantaATL · 18:45 San JuanSJU · 23:18
DL1861 by Delta Air Lines flies from Atlanta (ATL) to San Juan (SJU).
scheduled from ATL
⚖ DL1861 typically leaves +16 and lands −9. 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 −9 min · 0 cancelled · 12 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ATL and SJU 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 at Atlanta
ForecastMon 9 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at San Juan
ForecastMon 9 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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 Atlanta to San Juan flights today
same route · Delta Air LinesIf DL1861 is cancelled, these are the other Delta Air Lines nonstop flights from Atlanta to San Juan on the same day, with scheduled departure times in ATL 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 DL1861 actually runs
Pro Flight Search has tracked every published board update for DL1861 across the ATL and SJU boards: schedule changes, gate pushes and actual clocks. Usually lands ~19 min late. Based on 11 confirmed landings · 4/11 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how DL1861 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: N859DN, N835DN, N900DU, N815DN.
Board clocks recorded as ATL and SJU published them.
Planning around DL1861? 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: DL1861 Atlanta to San Juan on-time performance, measured from the ATL and SJU airport boards.
https://proflightsearch.com/flight/DL1861
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