DL1861 AtlantaATL · 18:45 San JuanSJU · 22:19
DL1861 by Delta Air Lines flies from Atlanta (ATL) to San Juan (SJU) for the Fri, Sep 11 departure.
arrival expected at SJU · 82 min late
board checked 117m ago · checking again in 45s
⚖ DL1861 typically leaves +11 and lands −7. 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 −7 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by SJU (San Juan), currently flying VFR (visual). 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 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 posting a delay still operate — rebooking usually only beats a very large posted delay. 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 ~10 min early. Based on 11 confirmed landings · 9/11 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 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: N872DN, N867DN, N881DN, N812DN.
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
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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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