UA1231United Airlines · ORD → IAH
live · 7m ago
Route confirmed United Airlines

UA1231 ChicagoORD · 07:30 HoustonIAH · 10:23

UA1231 by United Airlines flies from Chicago (ORD) to Houston (IAH) for the Fri, Oct 16 departure.

Right nowScheduled · gate C10A
07:30

departs ORD · on schedule

Typical arrival−15 minmedian over 1 operations

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
IAHHoustonOn-time likelyIAH delay board →
ORD→IAHevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
42%Chance of 15+ min delay
1.7%Chance of cancellation
+19 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 Houston flights today

same route · United Airlines
UA1172departs 05:30
UA3927departs 06:00
UA2228departs 06:25
UA535departs 08:45
UA5193departs 10:00
UA2767departs 10:32

If UA1231 is cancelled, these are the other United Airlines nonstop flights from Chicago to Houston 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 UA1231 actually runs

Pro Flight Search has tracked every published board update for UA1231 across the ORD and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: landed -15 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA1231 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
10-15ORD 07:30IAH 10:23 10:08 (−15)

Board clocks recorded as ORD and IAH published them.

Planning around UA1231? 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 — UA1231 Chicago to Houston on-time performance, measured from the ORD and IAH airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1231
How we measure this →