Alaska Airlines PDX to IAH on-time performance
Alaska Airlines nonstop flights from Portland to Houston · Aug 2025 – Jul 2026
On-time arrivals
84%
arrived < 15 min late
Cancelled
0.8%
3 flights
Avg arrival delay
8 min
42 min when late
Rank on route
#2 of 2
route average 85% on time
Key facts
- Alaska Airlines flights on PDX to IAH arrived on time 84% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 2% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 85% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (50%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion50%
- Airline (crew, maintenance, cleaning, fueling)31%
- Late-arriving aircraft16%
- Security3%
- Extreme weather0%
Other airlines on PDX to IAH
- United Airlines86% on time · 11 min avg delay
Full PDX to IAH comparison →
Alaska Airlines on-time record across all routes →
353 Alaska Airlines flights tracked on this route; 3 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.