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Direct flights from Portland to Houston

Airlines Schedules

PWM - IAH route map All flights from PWM to IAH non-stop. There are direct flights from Portland International Jetport (PWM), Maine, USA to George Bush Intcntl Houston (IAH), Texas, USA with United Airlines. 1 weekly departure are currently scheduled on this route. Departure times range from 15:22 to 15:30 depending on the schedule period. The flight distance is 1674 miles (2693 km). Flight time ranges from 4 hours and 28 minutes to 4 hours and 30 minutes.

PWM
Portland Jetport
USAPortland , USA
IAH
George Bush Intcntl Houston
USAHouston , USA
PWM
Portland Jetport
USAPortland , USA
George Bush Intcntl Houston
USAHouston , USA
IAH
Flight time 4h 28min to 4h 30min
Updated Jun 22, 2026
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Airlines with non-stop routes:

United Airlines Star Alliance

Departure times vary between 15:22 and 15:30
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1 flight/week
1 flight/week
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
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Flight schedule from Portland to Houston with United Airlines

This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
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UA521
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15:30
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The timetable & schedule information was updated at 2026-06-22

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Portland to Houston scheduled departures

Select a date to see every published non-stop departure between PWM and IAH.

Sunday
Sun
Jul 19
0 flights(0)
Monday
Mon
Jul 20
0 flights(0)
Tuesday
Tue
Jul 21
0 flights(0)
Wednesday
Wed
Jul 22
0 flights(0)
Thursday
Thu
Jul 23
0 flights(0)
Friday
Fri
Jul 24
0 flights(0)
Saturday
Sat
Jul 25
1 flights(1)
Time
Airline
Flight
15:30
United Airlines United Airlines
UA521
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PWM-IAH flight route
Route map from Portland, PWM to Houston, IAH. The distance is 1674 miles or 2693 km.
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Portland - Houston direct flight map
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PWM - IAH route facts

  • Distance
    1674 miles (2693 km)
  • Flight time
    4 hours and 28 minutes to 4 hours and 30 minutes
  • Airline
    United United
  • Airline alliances
    Star Alliance
  • Cabins
    Economy First
  • Hub airports
    IAH
  • Arrival terminals
    Terminal C and Terminal B
  • Aircraft
    Airbus A319 and Embraer 175 (Enhanced Winglets)

Route FAQ

United Airlines operates non-stop flights from PWM to IAH with 1 weekly departure.

Scheduled flight time from PWM to IAH ranges from 4 hours and 28 minutes to 4 hours and 30 minutes. The route covers 1674 miles (2693 km).

1 weekly departure are currently scheduled on this route, with published departure times ranging from 15:22 to 15:30 depending on the schedule period.

Arrival terminal: Terminal C and Terminal B.

Economy and First are currently scheduled on non-stop flights for this route.
Direct flights from Portland to TX, USA
From Portland to Dallas

DFW Dallas Fort Worth International