IAH → CUNHouston to Cancún

live

Direct flights from Houston (IAH) to Cancún (CUN): 7 nonstop departures observed each week across 1 airline. The median arrival is 16 minutes early. No cancellations were recorded across the 4 tracked flights. The nonstop covers 1,307 km, an estimated 2 hours 11 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Cancún. Updated 12 September 2026 at 18:54 UTC.

IAH Houston smooth · +0
CUN Cancún smooth · +0
1,307 km · ~2h 11m est.
dep bank 07:48–17:057x weekly
Running clean · 1 airline · 7x weekly · nonstop
100 / 100

route health from live IAH and CUN delay boards

Median arrival delay is −16 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−16 minacross the last 4 operated legs
Flight time~2h 11mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days

History

operated legs · board outcomes
09-12UA1014dep −10 → arr−18
09-12UA1018dep −5 → arr−12
09-12UA1167dep −10 → arr−22
09-12UA1619dep −7 → arr−16

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
IAHHouston +0 min smooth 🌤 few clouds · S 7 kt Full IAH delay board →
CUNCancún +0 min smooth 🌤 scattered clouds · E 6 kt Full CUN delay board →

Weather lens

Current conditions put the pressure at IAH and CUN: 31% odds of a 15+ minute delay and around +3 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Houston to Cancún route actually runs

Pro Flight Search records official board updates for nonstop IAH to CUN flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · 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 — Houston (IAH) to Cancún (CUN) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/IAH-CUN
How we measure this →

IAH to CUN questions

Is IAH–CUN running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAH–CUN?

Operators schedule morning departures around 07:48 and evening departures around 17:05 from IAH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CUN delay card to confirm conditions when you'd arrive.

How long is the flight from IAH to CUN?

Great-circle distance is 1,307 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 122–142 min gate-to-gate on this route.

How often does IAH–CUN fly?

United Airlines runs the route with about 35 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.