Salt Lake City (SLC) to San Antonio (SAT): On-Time Performance
Data through July 2026
Salt Lake City (SLC) to San Antonio (SAT) effectively runs on two schedules. In October 2025, 93% of arrivals were on time; in July 2024 that fell to 66% — a 27-point seasonal swing. Across the full period the route averages 83% on-time against a national 78%.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 2.8
- last 12 months
- Duration
- 2h 44m
- scheduled
- Distance
- 1,087 mi
Monthly on-time trend
Best time to fly from SLC to SAT
Aim for departures around 10 a.m. (86% on-time); avoid 2 p.m. departures (71%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 11 min |
| Tuesday | 84% | 10 min |
| Wednesdaybest | 85% | 12 min |
| Thursday | 80% | 14 min |
| Friday | 82% | 10 min |
| Saturday | 81% | 13 min |
| Sunday | 82% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft21%
- Airline operations65%
- National airspace system12%
- Weather2%
Frequently asked questions
- How often are flights from SLC to SAT delayed?
- 18% of SLC–SAT flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from SLC to SAT?
- Departures around 10 a.m. have the best record (86% on-time), while departures around 2 p.m. have the worst (71%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SLC to SAT?
- The scheduled SLC–SAT flight time averages 2h 44m over 1,087 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are SLC to SAT flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SLC to SAT?
- July 2024 was the roughest month in this dataset, with only 66% of arrivals on time. The best was October 2025 at 93%. If your dates are flexible, that 27-point gap is worth planning around.
Explore related pages
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Related guides
Based on 2,111 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.