Alaska Airlines SEA to JNU on-time performance
Alaska Airlines nonstop flights from Seattle to Juneau · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
1.2%
17 flights
Avg arrival delay
12 min
51 min when late
Rank on route
#2 of 2
route average 79% on time
Key facts
- Alaska Airlines flights on SEA to JNU arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 1.2% were cancelled, and 5% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (48%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)48%
- Late-arriving aircraft31%
- Air traffic control & airport congestion14%
- Extreme weather7%
- Security0%
Other airlines on SEA to JNU
- Delta Air Lines83% on time · 9 min avg delay
Full SEA to JNU comparison →
Alaska Airlines on-time record across all routes →
1,447 Alaska Airlines flights tracked on this route; 17 cancelled, 7 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.