Alaska Airlines PDX to BOS on-time performance
Alaska Airlines nonstop flights from Portland to Boston · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.8%
4 flights
Avg arrival delay
8 min
37 min when late
Rank on route
#1 of 2
route average 79% on time
Key facts
- Alaska Airlines flights on PDX to BOS arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 2% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (57%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion57%
- Airline (crew, maintenance, cleaning, fueling)29%
- Late-arriving aircraft13%
- Extreme weather1%
- Security0%
Other airlines on PDX to BOS
- JetBlue70% on time · 31 min avg delay
Full PDX to BOS comparison →
Alaska Airlines on-time record across all routes →
533 Alaska Airlines flights tracked on this route; 4 cancelled, 2 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.