IAH → GIGHouston to Rio De Janeiro

live

Direct flights from Houston (IAH) to Rio De Janeiro (GIG): 7 nonstop departures observed each week across 1 airline. The median arrival is on schedule. No cancellations were recorded across the 3 tracked flights. The nonstop covers 8,088 km, an estimated 10 hours 52 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Rio De Janeiro. Updated 19 October 2026 at 04:15 UTC.

Today, IAH → GIG

Sun 18 Oct · local times
  1. 19:55 UA129UA/UAL United Airlines Left 19:52 GIG 08:15In the air · scheduled landing
  2. 22:00 UA3870 Left 22:00 ·

Checked IAH board 23:15 · GIG board 01:08

IAH Houston smooth · +5
GIG Rio De Janeiro smooth · +3
8,088 km · ~10h 52m est.
departs 19:557x weekly
Running clean · 1 airline · 7x weekly · nonstop
71 / 100

route health from live IAH and GIG delay boards

Median arrival delay is +0 min. 0 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+0 minacross the last 3 operated legs
Flight time~10h 52mestimated 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
United AirlinesUA

Flights UA129 19:55 daily

History

operated legs · board outcomes
10-18UA129departed−3
10-18UA3870departed+0
10-17UA129dep +26 → arr+0

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 +5 min smooth 🌤 few clouds · N 0 kt Full IAH delay board →
GIGRio De Janeiro +3 min smooth 🌫 overcast · S 2 kt Full GIG delay board →

Weather lens

Current conditions put the pressure at GIG: 39% odds of a 15+ minute delay and around +87 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 Rio De Janeiro route actually runs

Pro Flight Search records official board updates for nonstop IAH to GIG 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 Rio De Janeiro (GIG) route reliability, measured from operated flights on official airport boards.

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

IAH to GIG questions

Is IAH–GIG running on time right now?

Mostly on schedule. The departure side at IAH is the weaker end, route health score 71/100. The airports section above carries the live status and delay window at both ends.

How long is the flight from IAH to GIG?

Great-circle distance is 8,088 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 601–723 min gate-to-gate on this route.

How often does IAH–GIG fly?

United Airlines runs the route with about 7 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.

What does the route health score measure?

A blend of departure-side delay at IAH and arrival-side delay at GIG, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.