Fresno (FAT) to Salt Lake City (SLC): On-Time Performance
Data through May 2026
When you fly FAT to SLC matters as much as anything else about the booking: the route swung from 98% on-time in August 2025 to just 80% in December 2024. Across the full period the route averages 93% on-time against a national 78%.
- On-time
- 93%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 3.8
- last 12 months
- Duration
- 1h 43m
- scheduled
- Distance
- 501 mi
Monthly on-time trend
Best time to fly from FAT to SLC
Aim for departures around 6 a.m. (96% on-time); avoid 12 p.m. departures (90%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 93% | 6 min |
| Tuesday | 93% | 8 min |
| Wednesday | 92% | 10 min |
| Thursday | 92% | 5 min |
| Friday | 92% | 12 min |
| Saturdaybest | 94% | 4 min |
| Sunday | 92% | 4 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations72%
- National airspace system3%
- Weather25%
Frequently asked questions
- How often are flights from FAT to SLC delayed?
- 7% of FAT–SLC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 7 minutes.
- What is the best time of day to fly from FAT to SLC?
- Departures around 6 a.m. have the best record (96% on-time), while departures around 12 p.m. have the worst (90%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from FAT to SLC?
- The scheduled FAT–SLC flight time averages 1h 43m over 501 miles. Actual arrival times vary — flights on this route land 15+ minutes late 7% of the time.
- How often are FAT to SLC flights cancelled?
- 0.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from FAT to SLC?
- December 2024 was the roughest month in this dataset, with only 80% of arrivals on time. The best was August 2025 at 98%. If your dates are flexible, that 18-point gap is worth planning around.
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Based on 2,457 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.