DL4839 St LouisSTL New YorkLGA
DL4839 by Delta Air Lines flies from St Louis (STL) to New York (LGA).
scheduled from STL
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at STL and LGA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 St Louis to New York flights today
same route · Delta Air LinesIf DL4839 is cancelled, these are the other Delta Air Lines nonstop flights from St Louis to New York on the same day, with scheduled departure times in STL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL4839 actually runs
Pro Flight Search has tracked every published board update for DL4839 across the STL and LGA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at STL and LGA.
The verdict above is that record speaking, so it reflects how DL4839 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around DL4839? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL4839 St Louis to New York on-time performance, measured from the STL and LGA airport boards.
https://proflightsearch.com/flight/DL4839
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