Delta Air Lines SNA to SEA on-time performance
Delta Air Lines nonstop flights from Santa Ana to Seattle · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
1.3%
12 flights
Avg arrival delay
15 min
77 min when late
Rank on route
#3 of 3
route average 86% on time
Key facts
- Delta Air Lines flights on SNA to SEA arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 1.3% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 86% 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 aircraft40%
- Air traffic control & airport congestion11%
- Extreme weather0%
- Security0%
Other airlines on SNA to SEA
- Alaska Airlines88% on time · 7 min avg delay
- SkyWest Airlines82% on time · 10 min avg delay
Full SNA to SEA comparison →
Delta Air Lines on-time record across all routes →
942 Delta Air Lines flights tracked on this route; 12 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.