UA4434United Airlines · EWR → BUF
live · 4m ago
Route confirmed United Airlines

UA4434 New YorkEWR BuffaloBUF

UA4434 by United Airlines flies from New York (EWR) to Buffalo (BUF).

Right nowNext departure tomorrow Operates daily
06:55

scheduled from EWR

The route today

live boards
EWRNew YorkOn-time likelyEWR delay board →
BUFBuffaloOn-time likelyBUF delay board →
EWR→BUFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
40%Chance of 15+ min delay
2.0%Chance of cancellation
+10 minTypical airport delay in this weather

Driven mainly by EWR (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

Fri 13 Nov, local date

High9°Clikely 8°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.

Tomorrow at BUF

Forecast

Fri 13 Nov, local date

High5°Clikely 4°C to 5°C
Low2°Clikely 1°C to 3°C
  • 30% chance of snow

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 Buffalo flights today

same route · United Airlines
UA4417departs 08:30
UA3529departs 08:40
UA4570departs 18:35
UA3433departs 21:20

If UA4434 is cancelled, these are the other United Airlines nonstop flights from New York to Buffalo on the same day, with scheduled departure times in EWR 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 UA4434 actually runs

Pro Flight Search has tracked every published board update for UA4434 across the EWR and BUF boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at EWR and BUF.

The verdict above is that record speaking, so it reflects how UA4434 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA4434? 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: UA4434 New York to Buffalo on-time performance, measured from the EWR and BUF airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4434
How we measure this →