UA8198United Airlines · ORD → BOS
live · 8m ago
Route confirmed United Airlines

UA8198 ChicagoORD BostonBOS

UA8198 by United Airlines flies from Chicago (ORD) to Boston (BOS).

Right nowNext departure today Operates daily
22:00

scheduled from ORD

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
BOSBostonOn-time likelyBOS delay board →
ORD→BOSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
3.2%Chance of cancellation
+10 minAvg hub delay right now

Conditions at ORD and BOS 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 Boston with United Airlines · Thu 29 Oct, local date

Outlook: below usual
Chance a departure is cancelled
0.7%0.6× usual
Chance a departure leaves 60+ min late
16%0.8× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 10 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 Boston flights today

same route · United Airlines
UA1186departs 06:10
UA2213departs 07:00
UA659departs 07:30
UA1367departs 09:05
UA1117departs 09:08
UA1606departs 10:25

If UA8198 is cancelled, these are the other United Airlines nonstop flights from Chicago to Boston 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 UA8198 actually runs

Pro Flight Search has tracked every published board update for UA8198 across the ORD and BOS 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 BOS.

The verdict above is that record speaking, so it reflects how UA8198 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA8198? 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 — UA8198 Chicago to Boston on-time performance, measured from the ORD and BOS airport boards.

Canonical URL
https://proflightsearch.com/flight/UA8198
How we measure this →