The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

George Bush Intcntl/Houston ⇄ Porto IAH–OPO

Airlines flew 1 flights between George Bush Intcntl/Houston IAH in Houston, TX and Porto, Portugal OPO in Porto, PT in the twelve months to July 2026, both directions together: 0 passengers. 4,739 miles, about 525 minutes in the air, on 1 airline: National Air Cargo Group Inc d/ba National Airlines (1).

1
flights, twelve months
IAH-OPO: 1
0
passengers
no seats reported (cargo)
4,739
miles
about 525 minutes airborne
1
airline
1 aircraft type

Flights by month both directions

0001116/26
By month, as a table
flights
6/261

Passengers by month

0001106/26
By month, as a table
passengers
6/260

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
National Air Cargo Group Inc d/ba National Airlines N810charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 747-400100

IAH → OPO this direction alone · flown June 2026 to June 2026

1 flights, 0 passengers. National Air Cargo Group Inc d/ba National Airlines 1.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: George Bush Intcntl/Houston IAH and Porto, Portugal OPO; all routes.