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

George Bush Intcntl/Houston ⇄ Lisbon IAH–LIS

Airlines flew 2 flights between George Bush Intcntl/Houston IAH in Houston, TX and Lisbon, Portugal LIS in Lisbon, PT in the twelve months to July 2026, both directions together: 276 passengers in 594 seats, 46% of them filled, and 19,730 pounds of freight. 4,780 miles, on 1 airline: TAP-TAP Air Portugal (2).

2
flights, twelve months
IAH-LIS: 1 · LIS-IAH: 1
276
passengers
46% of seats filled
4,780
miles
1
airline
1 aircraft type

Flights by month both directions

0012226/26
By month, as a table
flights
6/262

Passengers by month

0691382072762766/26
By month, as a table
passengers
6/26276

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
TAP-TAP Air Portugal TP227646%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus A330-900neo2297276

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

1 flights, 139 passengers in 297 seats, 4,748 pounds of freight. TAP-TAP Air Portugal 1.

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

1 flights, 137 passengers in 297 seats, 14,982 pounds of freight. TAP-TAP Air Portugal 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 Lisbon, Portugal LIS; all routes.