UA455United Airlines · ORD → IAH
live · 34m ago
Route confirmed United Airlines

UA455 ChicagoORD · 13:30 HoustonIAH · 15:20

UA455 by United Airlines flies from Chicago (ORD) to Houston (IAH) for the Fri, Sep 11 departure.

Same number through ORD → PHX → IAH

Right nowScheduled · gate B5 · as of 12:22
13:30

departs ORD · on schedule

Typical gate push−6 minmedian posted departure

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

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
1.1%Chance of cancellation
+13 minAvg hub delay right now

Conditions at ORD and IAH 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 →

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
UA2225departs 09:12
UA2164departs 11:00
UA8191departs 11:00
UA1906departs 16:00
UA2766departs 16:20
UA600departs 16:40

If UA455 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 UA455 actually runs

Pro Flight Search has tracked every published board update for UA455 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 -5 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA455 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
09-10ORD 13:30 13:24 (−6)IAH
09-09ORD 13:30 13:24 (−6)IAH

Board clocks recorded as ORD and IAH published them.

Planning around UA455? 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 — UA455 Chicago to Houston on-time performance, measured from the ORD and IAH airport boards.

Canonical URL
https://proflightsearch.com/flight/UA455
How we measure this →