DL4538 New YorkJFK WashingtonDCA
DL4538 by Delta Air Lines flies from New York (JFK) to Washington (DCA).
scheduled from JFK
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at JFK and DCA 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 New York to Washington flights today
same route · Delta Air LinesIf DL4538 is cancelled, these are the other Delta Air Lines nonstop flights from New York to Washington on the same day, with scheduled departure times in JFK local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL4538 actually runs
Pro Flight Search has tracked every published board update for DL4538 across the JFK and DCA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 1.2/100. Based on airport operations, weather, and cached board history at JFK and DCA.
The verdict above is that record speaking, so it reflects how DL4538 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around DL4538? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL4538 New York to Washington on-time performance, measured from the JFK and DCA airport boards.
https://proflightsearch.com/flight/DL4538
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