DL5720 BostonBOS · 09:05 New YorkJFK · 10:24
DL5720 by Delta Air Lines flies from Boston (BOS) to New York (JFK) for the Fri, Aug 21 departure.
estimated arrival at JFK · local time · past this estimate · waiting on the board
board checked 160m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 09:21 · typical taxi-out at BOS ≈ 9.4 min.
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 −15 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by JFK (New York), currently flying MVFR (marginal visual). 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 Boston to New York flights today
same route · Delta Air LinesIf DL5720 is cancelled, these are the other Delta Air Lines nonstop flights from Boston to New York on the same day, with scheduled departure times in BOS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL5720 actually runs
Pro Flight Search has tracked every published board update for DL5720 across the BOS and JFK boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 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 DL5720 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: N225JQ, N208JQ, N214JQ, N223JQ.
Board clocks recorded as BOS and JFK published them.
Planning around DL5720? 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 — DL5720 Boston to New York on-time performance, measured from the BOS and JFK airport boards.
https://proflightsearch.com/flight/DL5720
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