Alaska Airlines IAH to PDX on-time performance
Alaska Airlines nonstop flights from Houston to Portland · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
1.1%
4 flights
Avg arrival delay
15 min
60 min when late
Rank on route
#2 of 2
route average 81% on time
Key facts
- Alaska Airlines flights on IAH to PDX arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (57%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft57%
- Air traffic control & airport congestion19%
- Airline (crew, maintenance, cleaning, fueling)14%
- Extreme weather9%
- Security2%
Other airlines on IAH to PDX
- United Airlines82% on time · 12 min avg delay
Full IAH to PDX comparison →
Alaska Airlines on-time record across all routes →
353 Alaska Airlines flights tracked on this route; 4 cancelled, 1 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.