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

United Airlines flies the IAH to POS nonstop about 7 times a week. In the timetable below it flies as UA 2353, scheduled at 5h 20m to 5h 34m for the 2,562 miles.

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

Updated .

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7
Flights a week, 4-week average
5h 20m to 5h 34m
Scheduled flight time
2,562 mi
Nonstop distance
Free
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Houston to Port of Spain flight schedule

Scheduled nonstop departures for IAH to POS starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Houston (IAH) to Port of Spain (POS)
Date Flight Airline Departs IAH Arrives POS Duration Aircraft
UA 2353United Airlines16:4923:235h 34mBoeing 737 MAX 9
UA 2353United Airlines17:0323:235h 20mBoeing 737 MAX 9
UA 2353United Airlines16:4923:235h 34mBoeing 737 MAX 9
UA 2353United Airlines16:4923:235h 34mBoeing 737 MAX 9
UA 2353United Airlines16:4923:235h 34mBoeing 737 MAX 9
UA 2353United Airlines16:4923:235h 34mBoeing 737 MAX 9
UA 2353United Airlines16:4923:235h 34mBoeing 737 MAX 9

Showing all 7 scheduled IAH to POS departures across 7 days with service, starting October 23, 2026. 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 hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every IAH to POS date on the interactive map

Aircraft on the Houston to Port of Spain nonstop

United Airlines flies the Boeing 737 MAX 9 on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

The full IAH to POS nonstop schedule

This page carries the full IAH to POS nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See the schedule

Who operates each IAH to POS nonstop and how often it runs, from 2LNR's schedule data.

Plan on the map

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

Airlines flying Houston to Port of Spain nonstop

Carriers operating IAH to POS nonstop in the current schedule.

See IAH to POS on the interactive map →

Frequently asked questions about IAH to POS

How long is the flight from Houston (IAH) to Port of Spain (POS)?
Scheduled flight times from Houston (IAH) to Port of Spain (POS) run from 5h 20m to 5h 34m across the departures in the schedule table on this page. The nonstop covers about 2,562 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.
Which airlines fly nonstop from IAH to POS?
United Airlines is currently the only airline flying IAH to POS nonstop. 2LNR doesn't show award or upgrade space for it on IAH to POS, so this page carries the schedule rather than a space claim.
How many flights a week are there from IAH to POS?
About 7 nonstop flights a week run between Houston (IAH) and Port of Spain (POS) 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 IAH to POS depart?
Scheduled IAH to POS nonstops in the next 7 days with service leave between 16:49 and 17:03, local time at Houston. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Which flights operate IAH to POS nonstop?
United Airlines flies UA 2353 nonstop from Houston (IAH) to Port of Spain (POS), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft.
Does 2LNR show upgrade or award space on IAH to POS?
Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on IAH to POS. The page carries the full IAH to POS nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full IAH to POS nonstop schedule

Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro.

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