Twin Falls (TWF) to Salt Lake City (SLC): On-Time Performance
Data through July 2026
When you fly TWF to SLC matters as much as anything else about the booking: the route swung from 100% on-time in September 2025 to just 82% in February 2025. Across the full period the route averages 94% on-time against a national 78%.
- On-time
- 94%
- arrived <15 min late
- Avg delay
- 6 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 2.3
- last 12 months
- Duration
- 59m
- scheduled
- Distance
- 175 mi
Monthly on-time trend
Best time to fly from TWF to SLC
Aim for departures around 6 a.m. (96% on-time); avoid 1 p.m. departures (90%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 96% | 7 min |
| Tuesday | 95% | 5 min |
| Wednesday | 96% | 4 min |
| Thursday | 91% | 8 min |
| Friday | 94% | 5 min |
| Saturdaybest | 97% | 4 min |
| Sunday | 92% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations81%
- National airspace system2%
- Weather18%
Frequently asked questions
- How often are flights from TWF to SLC delayed?
- 6% of TWF–SLC 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 6 minutes.
- What is the best time of day to fly from TWF to SLC?
- Departures around 6 a.m. have the best record (96% on-time), while departures around 1 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 TWF to SLC?
- The scheduled TWF–SLC flight time averages 59m over 175 miles. Actual arrival times vary — flights on this route land 15+ minutes late 6% of the time.
- How often are TWF to SLC flights cancelled?
- 0.3% 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 TWF to SLC?
- February 2025 was the roughest month in this dataset, with only 82% of arrivals on time. The best was September 2025 at 100%. If your dates are flexible, that 18-point gap is worth planning around.
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Based on 1,590 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.