--- title: "Houston to Port of Spain flights: who flies IAH-POS" description: "United Airlines flies nonstop from IAH to POS, about 7 flights a week as UA 2353, scheduled at 5h 20m to 5h 34m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/iah-pos" url: "https://2lnr.com/routes/iah-pos.md" date_modified: "2026-10-18T05:10:47Z" --- # 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 October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 24, 2026. See IAH to POS on the interactive map [Get started free](https://2lnr.com/login) 7 Flights a week, 4-week average 5h 20m to 5h 34m Scheduled flight time 2,562 mi Nonstop distance Free To get started ## 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. Scheduled nonstop departures from Houston (IAH) to Port of Spain (POS) | Date | Flight | Airline | Departs IAH | Arrives POS | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | UA 2353 | United Airlines | 16:49 | 23:23 | 5h 34m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Sat, Oct 24 | UA 2353 | United Airlines | 17:03 | 23:23 | 5h 20m | Boeing 737 MAX 9 | | Sun, Oct 25 | UA 2353 | United Airlines | 16:49 | 23:23 | 5h 34m | Boeing 737 MAX 9 | | Mon, Oct 26 | UA 2353 | United Airlines | 16:49 | 23:23 | 5h 34m | Boeing 737 MAX 9 | | Tue, Oct 27 | UA 2353 | United Airlines | 16:49 | 23:23 | 5h 34m | Boeing 737 MAX 9 | | Wed, Oct 28 | UA 2353 | United Airlines | 16:49 | 23:23 | 5h 34m | Boeing 737 MAX 9 | | Thu, Oct 29 | UA 2353 | United Airlines | 16:49 | 23:23 | 5h 34m | Boeing 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](https://2lnr.com/seatmaps/ua/737-max-9.md) 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. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) 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. Flying the other way? See [POS to IAH nonstop flights](https://2lnr.com/routes/pos-iah.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Houston (IAH)](https://2lnr.com/routes/iah.md), or [every route from Port of Spain (POS)](https://2lnr.com/routes/pos.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## 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. [Get started free](https://2lnr.com/login)