Southwest Airlines SLC to SMF on-time performance
Southwest Airlines nonstop flights from Salt Lake City to Sacramento · Aug 2025 – Jul 2026
On-time arrivals
82%
arrived < 15 min late
Cancelled
0.3%
2 flights
Avg arrival delay
12 min
60 min when late
Rank on route
#3 of 3
route average 86% on time
Key facts
- Southwest Airlines flights on SLC to SMF arrived on time 82% of the time in Aug 2025 – Jul 2026.
- 0.3% 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 late-arriving aircraft (79%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft79%
- Airline (crew, maintenance, cleaning, fueling)16%
- Air traffic control & airport congestion4%
- Extreme weather1%
- Security0%
Other airlines on SLC to SMF
- Delta Air Lines87% on time · 9 min avg delay
- SkyWest Airlines85% on time · 9 min avg delay
Full SLC to SMF comparison →
Southwest Airlines on-time record across all routes →
577 Southwest Airlines flights tracked on this route; 2 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.