UA8129United Airlines · ORD → ATL
live · 37m ago
Route confirmed United Airlines

UA8129 ChicagoORD · 10:25 AtlantaATL

UA8129 by United Airlines flies from Chicago (ORD) to Atlanta (ATL).

Right nowNext departure today Operates daily
10:25

scheduled from ORD

Typical gate push+14 minmedian posted departure

The route today

live boards
ORDChicagoHigh riskORD delay board →
ATLAtlantaOn-time likelyATL delay board →
ORD→ATLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
44%Chance of 15+ min delay
0.5%Chance of cancellation
+21 minAvg hub delay right now

Driven mainly by ORD (Chicago), currently flying MVFR (marginal visual). 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 →

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 Atlanta flights today

same route · United Airlines
UA2249departs 07:00
UA2183departs 09:07
UA530departs 09:07
UA2684departs 10:25
UA356departs 14:10
UA1398departs 17:59

If UA8129 is cancelled, these are the other United Airlines nonstop flights from Chicago to Atlanta 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 UA8129 actually runs

Pro Flight Search has tracked every published board update for UA8129 across the ORD and ATL boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: departed +14 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA8129 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-05ORD 10:25 10:39 (+14)ATL

Board clocks recorded as ORD and ATL published them.

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 — UA8129 Chicago to Atlanta on-time performance, measured from the ORD and ATL airport boards.

Canonical URL
https://proflightsearch.com/flight/UA8129
How we measure this →