Delta Air Lines SLC to SJC on-time performance
Delta Air Lines nonstop flights from Salt Lake City to San Jose · Aug 2025 – Jul 2026
On-time arrivals
85%
arrived < 15 min late
Cancelled
0.4%
4 flights
Avg arrival delay
11 min
69 min when late
Rank on route
#2 of 3
route average 87% on time
Key facts
- Delta Air Lines flights on SLC to SJC arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 4% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 87% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (64%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)64%
- Late-arriving aircraft28%
- Air traffic control & airport congestion6%
- Extreme weather2%
- Security0%
Other airlines on SLC to SJC
- SkyWest Airlines93% on time · 6 min avg delay
- Southwest Airlines76% on time · 12 min avg delay
Full SLC to SJC comparison →
Delta Air Lines on-time record across all routes →
893 Delta Air Lines flights tracked on this route; 4 cancelled, 0 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.