Portland (PDX) to Houston (IAH) flights
United Airlines, Alaska Airlines fly nonstop from Portland International Airport to George Bush Intercontinental Airport, with about 26 flights a week in July 2026. The 1,825-mile flight takes about 4h 8m gate to gate.
- Distance
- 1,825 mi · 2,937 km
- Flight time
- 4h 8m
- Airlines
- 2
- Seats filled
- 82%
Airlines flying PDX to IAH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 19 | Boeing 737 MAX 8, Boeing 737 MAX 9, Boeing 737-900 | 124,544 | 4h 5m |
| Alaska Airlines | 7 | Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800 | 47,103 | 4h 14m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
PDX to IAH flight schedule
4 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 7:05am and the last at 11:59pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| AS 1420Alaska Airlines | 7:05am | 1:35pm | 31 | 85% |
| UA 462United Airlines | 7:10am | 1:24pm | 31 | 93% |
| UA 1927United Airlines | 12:55pm | 7:10pm | 22 | 80% |
| UA 780United Airlines | 11:59pm | 6:05am | 8 | 77% |
Is PDX to IAH on time?
From September 2025 to August 2026, 87% of 1,208 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 7am were the most punctual (94%), those around 10am the least (78%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (39%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 855 | 87% | 11 min | 0.4% |
| Alaska Airlines | 353 | 85% | 7 min | 0.8% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 7am to 8am | 509 | 94% | |
| 10am to 11am | 178 | 78% | |
| 11am to 12pm | 29 | 83% | |
| 12pm to 1pm | 132 | 87% | |
| 1pm to 2pm | 179 | 79% | |
| 2pm to 3pm | 43 | 84% | |
| 11pm to 12am | 136 | 81% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 110 | 16,152 | |
| September 2025 | 96 | 12,566 | |
| October 2025 | 117 | 17,034 | |
| November 2025 | 90 | 13,274 | |
| December 2025 | 106 | 15,869 | |
| January 2026 | 93 | 11,891 | |
| February 2026 | 80 | 11,185 | |
| March 2026 | 89 | 11,987 | |
| April 2026 | 90 | 11,636 | |
| May 2026 | 119 | 14,557 | |
| June 2026 | 116 | 17,669 | |
| July 2026 | 116 | 18,008 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.