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

Updated .

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4h 28m
Scheduled flight time
1,665 mi
Nonstop distance
Free
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South Portland Gardens to Houston flight schedule

Scheduled nonstop departures for PWM to IAH 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.

Schedule data dated .

Scheduled nonstop departures from South Portland Gardens (PWM) to Houston (IAH)
Date Flight Airline Departs PWM Arrives IAH Duration Aircraft
UA 5547United Airlines15:2618:544h 28mEmbraer E175

Showing all 1 scheduled PWM to IAH departures across 1 day 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 PWM to IAH date on the interactive map

Aircraft on the South Portland Gardens to Houston nonstop

United Airlines flies the Embraer E175 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.

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.

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.

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