Delta Air Lines SEA to JNU on-time performance
Delta Air Lines nonstop flights from Seattle to Juneau · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.7%
1 flights
Avg arrival delay
9 min
46 min when late
Rank on route
#1 of 2
route average 79% on time
Key facts
- Delta Air Lines flights on SEA to JNU arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 6% 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 airline (crew, maintenance, cleaning, fueling) (65%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)65%
- Late-arriving aircraft17%
- Air traffic control & airport congestion13%
- Extreme weather6%
- Security0%
Other airlines on SEA to JNU
- Alaska Airlines79% on time · 12 min avg delay
Full SEA to JNU comparison →
Delta Air Lines on-time record across all routes →
141 Delta Air Lines flights tracked on this route; 1 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.