UA4459United Airlines · YOW → IAD
live · 16m ago
Route confirmed United Airlines

UA4459 OttawaYOW WashingtonIAD

UA4459 by United Airlines flies from Ottawa (YOW) to Washington (IAD).

Right nowNext departure today Operates daily
10:50

scheduled from YOW

The route today

live boards
YOWOttawaOn-time likelyYOW delay board →
IADWashingtonHigh riskIAD delay board →
YOW→IADevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow at IAD

Forecast

Sun 15 Nov, local date

High11°Clikely 10°C to 12°C
Low4°Clikely 2°C to 6°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.

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.

How UA4459 actually runs

Pro Flight Search has tracked every published board update for UA4459 across the YOW and IAD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 62.6/100. Based on airport operations, weather, and cached board history at YOW and IAD.

The verdict above is that record speaking, so it reflects how UA4459 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA4459? 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: UA4459 Ottawa to Washington on-time performance, measured from the YOW and IAD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4459
How we measure this →