DL3 New YorkJFK · 22:00 LondonLHR · 10:20
DL3 by Delta Air Lines flies from New York (JFK) to London (LHR) for the Wed, Sep 9 departure.
en route from JFK to LHR
board checked 52m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 21:54 · typical taxi-out at JFK ≈ 11 min. No receiver coverage over open ocean.
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 −36 min · 1 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at JFK and LHR 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.
How DL3 actually runs
Pro Flight Search has tracked every published board update for DL3 across the JFK and LHR boards: schedule changes, gate pushes and actual clocks. Usually lands ~24 min early. Based on 12 confirmed landings · 10/12 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 DL3 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as JFK and LHR published them.
Planning around DL3? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL3 New York to London on-time performance, measured from the JFK and LHR airport boards.
https://proflightsearch.com/flight/DL3
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