Delta Air Lines SLC to SAN on-time performance
Delta Air Lines nonstop flights from Salt Lake City to San Diego · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.8%
14 flights
Avg arrival delay
10 min
55 min when late
Rank on route
#4 of 5
route average 82% on time
Key facts
- Delta Air Lines flights on SLC to SAN arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 4% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (40%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)40%
- Air traffic control & airport congestion29%
- Late-arriving aircraft24%
- Extreme weather7%
- Security0%
Other airlines on SLC to SAN
- SkyWest Airlines85% on time · 10 min avg delay
- Southwest Airlines73% on time · 13 min avg delay
- Frontier Airlines84% on time · 9 min avg delay
- Alaska Airlines100% on time · 0 min avg delay
Full SLC to SAN comparison →
Delta Air Lines on-time record across all routes →
1,732 Delta Air Lines flights tracked on this route; 14 cancelled, 5 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.