UA4403United Airlines · BUF → EWR
live · 3m ago
Route confirmed United Airlines

UA4403 BuffaloBUF New YorkEWR

UA4403 by United Airlines flies from Buffalo (BUF) to New York (EWR).

Right nowNext departure today Operates daily
21:30

scheduled from BUF

The route today

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

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
41%Chance of 15+ min delay
3.8%Chance of cancellation
+10 minTypical airport delay in this weather

Driven mainly by EWR (New York), currently flying MVFR (marginal visual). 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 BUF

Forecast

Fri 13 Nov, local date

High4°Clikely 4°C to 5°C
Low2°Clikely 0°C to 3°C
  • 29% 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.

Tomorrow at EWR

Forecast

Fri 13 Nov, local date

High10°Clikely 9°C to 11°C
Low5°Clikely 3°C to 6°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 Buffalo to New York flights today

same route · United Airlines
UA3421departs 06:00
UA3715departs 10:51
UA3370departs 13:18
UA4389departs 20:55

If UA4403 is cancelled, these are the other United Airlines nonstop flights from Buffalo to New York on the same day, with scheduled departure times in BUF 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 UA4403 actually runs

Pro Flight Search has tracked every published board update for UA4403 across the BUF 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 BUF and EWR.

The verdict above is that record speaking, so it reflects how UA4403 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: UA4403 Buffalo to New York on-time performance, measured from the BUF and EWR airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4403
How we measure this →