UA1123United Airlines · CUN → IAH
live · 4m ago
Route confirmed United Airlines

UA1123 CancúnCUN · 14:49 HoustonIAH · 17:15

UA1123 by United Airlines flies from Cancún (CUN) to Houston (IAH) for the Fri, Oct 23 departure.

Right nowIn the air to Houston · off blocks 14:49 · on schedule
17:05

estimated arrival at IAH · local time · ~33 min from now

LivePosition · updated 4m ago
IAH139 mi · ~33 min leftCUN
32,000 ftAltitudecruising
503 mphSpeed437 kt
319°Direction

Live position · flown path, last 1h 30m

Typical gate push+0 minmedian posted departure
Typical arrival−10 minmedian over 1 operations
Wins back in air~10 minmedian gate push vs arrival · how planes make up time →

The route today

live boards
CUNCancúnOn-time likelyCUN delay board →
IAHHoustonOn-time likelyIAH delay board →
CUN→IAHevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
27%Chance of 15+ min delay
4.5%Chance of cancellation
+2 minAvg hub delay right now

Conditions at CUN 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 Cancún to Houston flights today

same route · United Airlines
UA1059departs 07:51
UA1051departs 13:12
UA1056departs 13:43
UA3863departs 16:00
UA1058departs 17:22

If UA1123 is cancelled, these are the other United Airlines nonstop flights from Cancún to Houston on the same day, with scheduled departure times in CUN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA1123 actually runs

Pro Flight Search has tracked every published board update for UA1123 across the CUN and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +0 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA1123 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
10-23CUN 14:49 (+0)IAH 17:15 17:05 (−10)
10-22CUN 14:49 (+0)IAH

Board clocks recorded as CUN and IAH published them.

Planning around UA1123? 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 — UA1123 Cancún to Houston on-time performance, measured from the CUN and IAH airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1123
How we measure this →