Delta Air Lines SJC to SLC on-time performance
Delta Air Lines nonstop flights from San Jose to Salt Lake City · Aug 2025 – Jul 2026
On-time arrivals
93%
arrived < 15 min late
Cancelled
0.7%
6 flights
Avg arrival delay
7 min
101 min when late
Rank on route
#2 of 3
route average 92% on time
Key facts
- Delta Air Lines flights on SJC to SLC arrived on time 93% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 3% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 92% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (56%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)56%
- Late-arriving aircraft43%
- Air traffic control & airport congestion1%
- Extreme weather0%
- Security0%
Other airlines on SJC to SLC
- SkyWest Airlines94% on time · 5 min avg delay
- Southwest Airlines81% on time · 12 min avg delay
Full SJC to SLC comparison →
Delta Air Lines on-time record across all routes →
893 Delta Air Lines flights tracked on this route; 6 cancelled, 1 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.