DL5821 BuffaloBUF · 06:00 New YorkLGA · 07:30
DL5821 by Delta Air Lines flies from Buffalo (BUF) to New York (LGA).
scheduled from BUF
⚖ DL5821 typically leaves +13 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 · 1 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at BUF and LGA 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 Buffalo
ForecastThu 12 Nov, local date
- 21% chance of snow
- 93% chance of rain
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 New York
ForecastThu 12 Nov, local date
- 93% chance of rain
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 Buffalo to New York flights today
same route · Delta Air LinesIf DL5821 is cancelled, these are the other Delta Air Lines nonstop flights from Buffalo to New York on the same day, with scheduled departure times in BUF 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 DL5821 actually runs
Pro Flight Search has tracked every published board update for DL5821 across the BUF and LGA boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min early. Based on 12 confirmed landings · 11/12 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 DL5821 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: N231JQ, N878RW, N225JQ, N205JQ.
Board clocks recorded as BUF and LGA published them.
Planning around DL5821? 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: DL5821 Buffalo to New York on-time performance, measured from the BUF and LGA airport boards.
https://proflightsearch.com/flight/DL5821
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