--- title: "IAH to PWM flights: who flies it, and when" description: "United Airlines has one IAH to PWM 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/iah-pwm" url: "https://2lnr.com/routes/iah-pwm.md" date_modified: "2026-10-18T05:10:47Z" --- # Houston to South Portland Gardens (IAH-PWM): nonstop flights and who flies them United Airlines has one Houston (IAH) to South Portland Gardens (PWM) 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. Updated October 23, 2026. See IAH to PWM on the interactive map [Get started free](https://2lnr.com/login) 4h 2m Scheduled flight time 1,665 mi Nonstop distance Free To get started ## Houston to South Portland Gardens flight schedule Scheduled nonstop departures for IAH to PWM starting October 22, 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 South Portland Gardens (PWM) | Date | Flight | Airline | Departs IAH | Arrives PWM | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Oct 24 | UA 4761 | United Airlines | 09:35 | 14:37 | 4h 2m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Mon, Dec 21 | UA 1397 | United Airlines | 13:35 | 22:57 | — | [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) | | Tue, Dec 22 | UA 1397 | United Airlines | 13:35 | 22:57 | — | Airbus A319 | | Wed, Dec 23 | UA 1397 | United Airlines | 13:35 | 22:57 | — | Airbus A319 | | Thu, Dec 24 | UA 1397 | United Airlines | 13:35 | 22:57 | — | Airbus A319 | | Fri, Dec 25 | UA 1397 | United Airlines | 13:35 | 22:57 | — | Airbus A319 | | Sat, Dec 26 | UA 1397 | United Airlines | 13:35 | 22:57 | — | Airbus A319 | Showing all 7 scheduled IAH to PWM departures across 7 days with service, starting October 22, 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 PWM date on the interactive map ## Aircraft on the Houston to South Portland Gardens nonstop United Airlines flies the departures in the schedule table on this page with the [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) and the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full IAH to PWM nonstop schedule This page carries the full IAH to PWM 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 PWM nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IAH to PWM on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Houston to South Portland Gardens nonstop Carriers operating IAH to PWM 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 PWM on the interactive map → ## Frequently asked questions about IAH to PWM **How long is the flight from Houston (IAH) to South Portland Gardens (PWM)?** Where the schedule table on this page lists a duration, UA 4761 is scheduled at 4h 2m from Houston (IAH) to South Portland Gardens (PWM). 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 IAH to PWM?** United Airlines is currently the only airline flying IAH to PWM nonstop. 2LNR doesn't show award or upgrade space for it on IAH to PWM, so this page carries the schedule rather than a space claim. **How often does IAH to PWM operate?** 2LNR's schedule data shows a single IAH to PWM 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 IAH to PWM depart?** Scheduled IAH to PWM nonstops in the next 7 days with service leave between 09:35 and 13:35, 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 PWM nonstop?** In the schedule table on this page, IAH to PWM nonstops fly as UA 1397 and UA 4761 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on IAH to PWM?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on IAH to PWM. The page carries the full IAH to PWM nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [PWM to IAH nonstop flights](https://2lnr.com/routes/pwm-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 South Portland Gardens (PWM)](https://2lnr.com/routes/pwm.md). Nonstops from Houston (IAH) to other airports within 150 miles of South Portland Gardens (PWM): - [Houston (IAH) to Boston (BOS)](https://2lnr.com/routes/iah-bos.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 IAH to PWM 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)