Flights Houston → Sao Paulo
IAH → GRU
Route overview
The flight route connects Houston to São Paulo, operated by a Boeing 767-300 aircraft. The destination airport, which opened in 1985, serves over 42 million passengers annually, making it one of the busiest airports in South America.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Houston (IAH) → Sao Paulo (GRU) route is operated by United Airlines. FlightGuard's average computed risk is 13.3/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Sao Paulo the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Houston the average ATFM delay is 2.0 minutes.
Heading to Sao Paulo: what to expect in this direction
Flying from Houston (IAH) to Sao Paulo (GRU) heads south-east for about 7,905 km, a flight time of roughly 10h 18m.
Air-traffic congestion: departing Houston the average ATFM delay is 2.0 min (atfm); arriving into Sao Paulo it is 2.0 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
Airlines operating IAH-GRU
Airports
Frequently asked questions about IAH-GRU
Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.
The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Sao Paulo, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
