UA5478United Airlines · ORD → BUF
live · 23m ago
Route confirmed United Airlines

UA5478 ChicagoORD BuffaloBUF

UA5478 by United Airlines flies from Chicago (ORD) to Buffalo (BUF).

Right nowNext departure today Operates daily
18:20

scheduled from ORD

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
BUFBuffaloOn-time likelyBUF delay board →
ORD→BUFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
2.2%Chance of cancellation
+10 minAvg hub delay right now

Conditions at ORD and BUF are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 on this route

Forecast

Chicago to Buffalo with United Airlines · Thu 29 Oct, local date

Outlook: below usual
Chance a departure is cancelled
0.6%0.6× usual
Chance a departure leaves 60+ min late
8.5%0.7× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 4 departures a day on this route with this airline. · 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 Chicago to Buffalo flights today

same route · United Airlines
UA4177departs 06:29
UA265departs 06:50
UA4429departs 10:25
UA5275departs 10:25
UA4382departs 10:29
UA580departs 14:00

If UA5478 is cancelled, these are the other United Airlines nonstop flights from Chicago to Buffalo on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA5478 actually runs

Pro Flight Search has tracked every published board update for UA5478 across the ORD and BUF boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at ORD and BUF.

The verdict above is that record speaking, so it reflects how UA5478 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA5478? 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 — UA5478 Chicago to Buffalo on-time performance, measured from the ORD and BUF airport boards.

Canonical URL
https://proflightsearch.com/flight/UA5478
How we measure this →