Delta Air Lines SEA to HNL on-time performance
Delta Air Lines nonstop flights from Seattle to Honolulu · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
0.4%
3 flights
Avg arrival delay
14 min
54 min when late
Rank on route
#1 of 3
route average 66% on time
Key facts
- Delta Air Lines flights on SEA to HNL arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 5% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 66% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (45%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)45%
- Air traffic control & airport congestion37%
- Late-arriving aircraft17%
- Extreme weather0%
- Security0%
Other airlines on SEA to HNL
- Alaska Airlines62% on time · 27 min avg delay
- Hawaiian Airlines61% on time · 38 min avg delay
Full SEA to HNL comparison →
Delta Air Lines on-time record across all routes →
789 Delta Air Lines flights tracked on this route; 3 cancelled, 10 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.