DL3840 AspenASE AtlantaATL · 12:55
DL3840 by Delta Air Lines flies from Aspen (ASE) to Atlanta (ATL).
scheduled from ASE
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 −13 min · 0 cancelled · 12 operations tracked
The route today
live boardsTomorrow at ATL
ForecastThu 12 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.
How DL3840 actually runs
Pro Flight Search has tracked every published board update for DL3840 across the ASE and ATL boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min early. Based on 12 confirmed landings · 9/12 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how DL3840 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: N263SY, N271SY, N265SY, N264SY.
Board clocks recorded as ASE and ATL published them.
Planning around DL3840? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: DL3840 Aspen to Atlanta on-time performance, measured from the ASE and ATL airport boards.
https://proflightsearch.com/flight/DL3840
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