DL2639Delta Air Lines · JFK → BOS
live · 24m ago
Route confirmed Delta Air Lines

DL2639 New YorkJFK · 21:29 BostonBOS · 23:05

DL2639 by Delta Air Lines flies from New York (JFK) to Boston (BOS) for the Fri, Nov 6 departure.

Right nowOn Time · gate B47 · as of 12:08
21:29

departs JFK · on schedule

Typical gate push−3 minmedian posted departure
Typical arrival−10 minmedian over 4 operations
Wins back in air~7 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
11-05
−3 gate · −9 arrival
11-04
+15 gate · −8 arrival
11-03
−7 gate · −12 arrival
11-02
−3 gate · −13 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
JFKNew YorkOn-time likelyJFK delay board →
BOSBostonOn-time likelyBOS delay board →
JFK→BOSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
52%Chance of 15+ min delay
6.1%Chance of cancellation
+13 minTypical airport delay in this weather

Driven mainly by JFK (New York), currently flying IFR (instrument). 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 New York

Forecast

Sat 7 Nov, local date

High16°Clikely 15°C to 17°C
Low10°Clikely 8°C to 11°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 Boston

Forecast

Sat 7 Nov, local date

High17°Clikely 16°C to 18°C
Low11°Clikely 9°C to 14°C
  • 97% chance of rain

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 New York to Boston flights today

same route · Delta Air Lines
DL5765departs 06:00
DL5733departs 09:50
DL5595departs 13:15
DL4417departs 15:57
DL5798departs 17:26
DL4346departs 18:02

If DL2639 is cancelled, these are the other Delta Air Lines nonstop flights from New York to Boston on the same day, with scheduled departure times in JFK 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 DL2639 actually runs

Pro Flight Search has tracked every published board update for DL2639 across the JFK and BOS boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min early. Based on 1 confirmed landing · 1/1 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL2639 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
11-05JFK 21:29 21:26 (−3)BOS 23:05 22:56 (−9)
11-04JFK 21:29 21:44 (+15)BOS 23:05 22:57 (−8)
11-03JFK 21:29 21:22 (−7)BOS 23:05 22:53 (−12)
11-02JFK 21:29 21:26 (−3)BOS 23:05 22:52 (−13)

Board clocks recorded as JFK and BOS published them.

Planning around DL2639? 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: DL2639 New York to Boston on-time performance, measured from the JFK and BOS airport boards.

Canonical URL
https://proflightsearch.com/flight/DL2639
How we measure this →