Delta Air Lines SEA to SNA on-time performance
Delta Air Lines nonstop flights from Seattle to Santa Ana · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
1.0%
9 flights
Avg arrival delay
14 min
74 min when late
Rank on route
#2 of 3
route average 85% on time
Key facts
- Delta Air Lines flights on SEA to SNA arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 85% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (62%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)62%
- Late-arriving aircraft19%
- Air traffic control & airport congestion19%
- Extreme weather0%
- Security0%
Other airlines on SEA to SNA
- Alaska Airlines86% on time · 7 min avg delay
- SkyWest Airlines81% on time · 10 min avg delay
Full SEA to SNA comparison →
Delta Air Lines on-time record across all routes →
942 Delta Air Lines flights tracked on this route; 9 cancelled, 3 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.