Salt Lake City (SLC) to Nashville (BNA): On-Time Performance
Data through May 2026
Salt Lake City (SLC) to Nashville (BNA) effectively runs on two schedules. In November 2024, 94% of arrivals were on time; in July 2025 that fell to 72% — a 22-point seasonal swing. Across the full period the route averages 86% on-time against a national 78%.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 3.3
- last 12 months
- Duration
- 3h 17m
- scheduled
- Distance
- 1,404 mi
Best airline from SLC to BNA
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 86% | 7 min | 0.5% | 398 |
| Delta Air Lines | 86% | 9 min | 0.7% | 1,850 |
Monthly on-time trend
Best time to fly from SLC to BNA
Aim for departures around 11 a.m. (91% on-time); avoid 5 p.m. departures (82%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 86% | 7 min |
| Tuesday | 86% | 8 min |
| Wednesdaybest | 89% | 7 min |
| Thursday | 88% | 8 min |
| Friday | 84% | 8 min |
| Saturday | 88% | 9 min |
| Sunday | 81% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft24%
- Airline operations53%
- National airspace system21%
- Weather3%
Frequently asked questions
- How often are flights from SLC to BNA delayed?
- 14% of SLC–BNA 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 9 minutes.
- Which airline is most reliable from SLC to BNA?
- Southwest Airlines has the best on-time record on this route at 86%, based on 398 flights. 2 airlines flew SLC–BNA frequently enough to compare in this period.
- What is the best time of day to fly from SLC to BNA?
- Departures around 11 a.m. have the best record (91% on-time), while departures around 5 p.m. have the worst (82%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SLC to BNA?
- The scheduled SLC–BNA flight time averages 3h 17m over 1,404 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are SLC to BNA flights cancelled?
- 0.7% 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 SLC to BNA?
- July 2025 was the roughest month in this dataset, with only 72% of arrivals on time. The best was November 2024 at 94%. If your dates are flexible, that 22-point gap is worth planning around.
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Based on 2,248 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.