Nashville (BNA) to Salt Lake City (SLC): On-Time Performance
Data through May 2026
The calendar drives reliability on BNA–SLC. October 2024 flights landed on schedule 95% of the time, but June 2025 dropped to 73% — a gap of 22 points. 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 45m
- scheduled
- Distance
- 1,404 mi
Best airline from BNA to SLC
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 88% | 8 min | 0.7% | 1,850 |
| Southwest Airlines | 77% | 15 min | 0.8% | 399 |
Monthly on-time trend
Best time to fly from BNA to SLC
Aim for departures around 7 a.m. (91% on-time); avoid 6 p.m. departures (65%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 11 min |
| Tuesday | 88% | 9 min |
| Wednesdaybest | 89% | 8 min |
| Thursday | 85% | 10 min |
| Friday | 87% | 8 min |
| Saturday | 84% | 9 min |
| Sunday | 85% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations41%
- National airspace system17%
- Weather5%
Frequently asked questions
- How often are flights from BNA to SLC delayed?
- 14% of BNA–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 9 minutes.
- Which airline is most reliable from BNA to SLC?
- Delta Air Lines has the best on-time record on this route at 88%, based on 1,850 flights. 2 airlines flew BNA–SLC frequently enough to compare in this period.
- What is the best time of day to fly from BNA to SLC?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 6 p.m. have the worst (65%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BNA to SLC?
- The scheduled BNA–SLC flight time averages 3h 45m over 1,404 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are BNA to SLC 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 BNA to SLC?
- June 2025 was the roughest month in this dataset, with only 73% of arrivals on time. The best was October 2024 at 95%. If your dates are flexible, that 22-point gap is worth planning around.
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Based on 2,249 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.