Alaska Airlines BOS to PDX on-time performance
Alaska Airlines nonstop flights from Boston to Portland · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
1.3%
7 flights
Avg arrival delay
12 min
51 min when late
Rank on route
#1 of 2
route average 78% on time
Key facts
- Alaska Airlines flights on BOS to PDX arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 1.3% were cancelled, and 5% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (38%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion38%
- Late-arriving aircraft35%
- Airline (crew, maintenance, cleaning, fueling)24%
- Extreme weather3%
- Security0%
Other airlines on BOS to PDX
- JetBlue76% on time · 19 min avg delay
Full BOS to PDX comparison →
Alaska Airlines on-time record across all routes →
533 Alaska Airlines flights tracked on this route; 7 cancelled, 0 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.