DL4839Delta Air Lines · STL → LGA
updated 1h ago
Route confirmed Delta Air Lines

DL4839 St LouisSTL New YorkLGA

DL4839 by Delta Air Lines flies from St Louis (STL) to New York (LGA).

Right nowNext departure today Operates daily
09:17

scheduled from STL

The route today

live boards
STLSt LouisModerate riskSTL delay board →
LGANew YorkModerate riskLGA delay board →
STL→LGAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
37%Chance of 15+ min delay
1.9%Chance of cancellation
+7 minTypical airport delay in this weather

Conditions 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. 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 St Louis

Forecast

Sun 15 Nov, local date

High10°Clikely 8°C to 13°C
Low−1°Clikely −3°C to 1°C

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

Forecast

Sun 15 Nov, local date

High11°Clikely 9°C to 12°C
Low6°Clikely 4°C to 7°C

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 departures
061422
M
T
W
T
F
S
S

Each 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 Lines
DL4981departs 07:00
DL4939departs 08:00
DL5041departs 10:00
DL5110departs 10:00
DL5020departs 13:02
DL5160departs 13:02

If 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. 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: 41.5/100. 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

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: DL4839 St Louis to New York on-time performance, measured from the STL and LGA airport boards.

Canonical URL
https://proflightsearch.com/flight/DL4839
How we measure this →