Port of Spain to Houston (POS-IAH): nonstop flights and who flies them

United Airlines flies the POS to IAH nonstop about 7 times a week. With United Airlines flying most of the schedule, the long-haul premium cabin opens when that one carrier decides it does, which is why the calendar matters more than the search. United Airlines fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

See POS to IAH on the interactive map Get started free
7
Nonstop flights a week
2,562 mi
Nonstop distance
Free
To get started

Port of Spain to Houston flight schedule

Scheduled nonstop departures for POS to IAH, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Port of Spain (POS) to Houston (IAH)
Date Flight Airline Departs POS Arrives IAH Duration Aircraft
UA 1459United Airlines00:3005:145h 44m7M9
UA 1459United Airlines00:3005:145h 44m7M9
UA 1459United Airlines00:3005:145h 44m7M9
UA 1459United Airlines00:3005:145h 44m7M9
UA 1459United Airlines00:3005:145h 44m7M9
UA 1459United Airlines00:3005:145h 44m7M9
UA 1459United Airlines00:3005:145h 44m7M9

Showing all 7 scheduled POS to IAH departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every POS to IAH date on the interactive map

The full POS to IAH nonstop schedule

United Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full POS to IAH nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each POS to IAH departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See POS to IAH on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Port of Spain to Houston nonstop

Carriers operating POS to IAH nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See POS to IAH on the interactive map →

Frequently asked questions about POS to IAH

How far is Houston from Port of Spain?
POS to IAH covers about 2,562 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from POS to IAH?
United Airlines is currently the only airline flying POS to IAH nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the POS to IAH schedule rather than a space claim.
How many flights a week are there from POS to IAH?
About 7 nonstop flights a week run between Port of Spain and Houston in the current schedule, operated by United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from POS to IAH depart?
In the next 7 days with service, every scheduled POS to IAH nonstop leaves at 00:30 local time at Port of Spain. The schedule table on this page lists each departure by date.
Does 2LNR show upgrade or award space on POS to IAH?
Not on this route: none of United Airlines is a carrier 2LNR reads inventory for. The page carries the full POS to IAH nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full POS to IAH nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

Get started free