--- title: "PWM to IAH flights: who flies it, and when" description: "United Airlines has one PWM to IAH nonstop scheduled in the coming weeks, covering 1,665 miles. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/pwm-iah" url: "https://2lnr.com/routes/pwm-iah.md" date_modified: "2026-10-18T05:10:47Z" --- # South Portland Gardens to Houston (PWM-IAH): nonstop flights and who flies them United Airlines has one South Portland Gardens (PWM) to Houston (IAH) nonstop scheduled in the coming weeks, according to 2LNR's schedule data. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. See PWM to IAH on the interactive map [Get started free](https://2lnr.com/login) 4h 28m Scheduled flight time 1,665 mi Nonstop distance Free To get started ## South Portland Gardens to Houston flight schedule Scheduled nonstop departures for PWM to IAH starting October 24, 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 South Portland Gardens (PWM) to Houston (IAH) | Date | Flight | Airline | Departs PWM | Arrives IAH | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Oct 24 | UA 5547 | United Airlines | 15:26 | 18:54 | 4h 28m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | Showing all 1 scheduled PWM to IAH departures across 1 day with service, starting October 24, 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 PWM to IAH date on the interactive map ## Aircraft on the South Portland Gardens to Houston nonstop United Airlines flies the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.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 PWM to IAH nonstop schedule This page carries the full PWM to IAH nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each PWM to IAH nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See PWM to IAH on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying South Portland Gardens to Houston nonstop Carriers operating PWM to IAH 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 PWM to IAH on the interactive map → ## Frequently asked questions about PWM to IAH **How long is the flight from South Portland Gardens (PWM) to Houston (IAH)?** UA 5547, the one departure in the schedule table on this page, is scheduled at 4h 28m from South Portland Gardens (PWM) to Houston (IAH). The nonstop covers about 1,665 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from PWM to IAH?** United Airlines is currently the only airline flying PWM to IAH nonstop. 2LNR doesn't show award or upgrade space for it on PWM to IAH, so this page carries the schedule rather than a space claim. **How often does PWM to IAH operate?** 2LNR's schedule data shows a single PWM to IAH nonstop in the coming weeks, on United Airlines, rather than a weekly service. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from PWM to IAH depart?** On the next day with service, every scheduled PWM to IAH nonstop leaves at 15:26 local time at South Portland Gardens. The schedule table on this page lists each departure by date. **Which flights operate PWM to IAH nonstop?** United Airlines flies UA 5547 nonstop from South Portland Gardens (PWM) to Houston (IAH), 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 PWM to IAH?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on PWM to IAH. The page carries the full PWM to IAH nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [IAH to PWM nonstop flights](https://2lnr.com/routes/iah-pwm.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from South Portland Gardens (PWM)](https://2lnr.com/routes/pwm.md), or [every route from Houston (IAH)](https://2lnr.com/routes/iah.md). Nonstops to Houston (IAH) from other airports within 150 miles of South Portland Gardens (PWM): - [Boston (BOS) to Houston (IAH)](https://2lnr.com/routes/bos-iah.md), 95 miles from PWM Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full PWM to IAH 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)