DL5638Delta Air Lines · JFK → IAD
updated 1h ago
Route confirmed Delta Air Lines

DL5638 New YorkJFK · 15:55 WashingtonIAD · 17:33

DL5638 by Delta Air Lines flies from New York (JFK) to Washington (IAD).

Right nowNext departure tomorrow Operates daily
20:30

scheduled from JFK

⚖ DL5638 typically leaves −4 and lands −36. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-11
−7 gate · −38 arrival
11-08
−2 gate · −29 arrival
11-07
+31 gate · +1 arrival
11-06
CANCELLED
11-05
−7 gate · −39 arrival
11-04
−7 gate · −38 arrival
11-03
+0 gate · −40 arrival

The 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 operation

median arrival −36 min · 1 cancelled · 12 operations tracked

The route today

live boards
JFKNew YorkOn-time likelyJFK delay board →
IADWashingtonOn-time likelyIAD delay board →
JFK→IADevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
3.2%Chance of cancellation
+3 minTypical airport delay in this weather

Conditions at JFK and IAD 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 New York

Forecast

Thu 12 Nov, local date

High15°Clikely 14°C to 17°C
Low10°Clikely 7°C to 11°C
  • 97% chance of rain
  • Gusts to 31 kt

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 Washington

Forecast

Thu 12 Nov, local date

High16°Clikely 14°C to 18°C
Low7°Clikely 5°C to 9°C
  • 79% 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 Washington flights today

same route · Delta Air Lines
DL5822departs 10:20
DL5595departs 10:25
DL5863departs 15:59

If DL5638 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How DL5638 actually runs

Pro Flight Search has tracked every published board update for DL5638 across the JFK and IAD boards: schedule changes, gate pushes and actual clocks. Usually lands ~30 min early. Based on 11 confirmed landings · 11/11 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 DL5638 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-11JFK 15:55 15:48 (−7)IAD 17:33 16:55 (−38)
11-08JFK 15:55 15:53 (−2)IAD 17:33 17:04 (−29)
11-07JFK 15:55 16:26 (+31)IAD 17:33 17:34 (+1)
11-06CANCELLED
11-05JFK 15:55 15:48 (−7)IAD 17:33 16:54 (−39)
11-04JFK 15:55 15:48 (−7)IAD 17:33 16:55 (−38)
11-03JFK 15:55 (+0)IAD 17:33 16:53 (−40)
11-02JFK 15:55 15:51 (−4)IAD 17:33 16:51 (−42)
11-01JFK 15:55 (+0)IAD 17:33 17:01 (−32)
10-31JFK 15:55 15:48 (−7)IAD 17:33 16:57 (−36)
10-30JFK 15:55 16:28 (+33)IAD 17:33 17:17 (−16)
10-29JFK 15:55 15:48 (−7)IAD 17:33 17:19 (−14)

Aircraft

Recent tails: N208JQ, N229JQ, N204JQ, N231JQ.

Board clocks recorded as JFK and IAD published them.

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: DL5638 New York to Washington on-time performance, measured from the JFK and IAD airport boards.

Canonical URL
https://proflightsearch.com/flight/DL5638
How we measure this →