UA4504United Airlines · DCA → EWR
live · 59m ago
Route confirmed United Airlines

UA4504 WashingtonDCA New YorkEWR

UA4504 by United Airlines flies from Washington (DCA) to New York (EWR).

Right nowNext departure today Operates daily
08:40

scheduled from DCA

The route today

live boards
DCAWashingtonOn-time likelyDCA delay board →
EWRNew YorkOn-time likelyEWR delay board →
DCA→EWRevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
65%Chance of 15+ min delay
3.1%Chance of cancellation
+44 minTypical airport delay in this weather

Driven mainly by DCA (Washington), currently flying LIFR (low 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 DCA

Forecast

Fri 13 Nov, local date

High10°Clikely 8°C to 11°C
Low7°Clikely 5°C to 8°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 EWR

Forecast

Fri 13 Nov, local date

High9°Clikely 7°C to 10°C
Low5°Clikely 3°C to 7°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 Washington to New York flights today

same route · United Airlines
UA4515departs 07:00
UA4591departs 09:05
UA4516departs 10:05
UA4446departs 10:59
UA4442departs 13:15
UA4560departs 15:13

If UA4504 is cancelled, these are the other United Airlines nonstop flights from Washington to New York on the same day, with scheduled departure times in DCA 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 UA4504 actually runs

Pro Flight Search has tracked every published board update for UA4504 across the DCA and EWR boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at DCA and EWR.

The verdict above is that record speaking, so it reflects how UA4504 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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: UA4504 Washington to New York on-time performance, measured from the DCA and EWR airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4504
How we measure this →