Las Vegas (LAS) to Nashville (BNA): On-Time Performance
Data through July 2026
When you fly LAS to BNA matters as much as anything else about the booking: the route swung from 89% on-time in January 2025 to just 66% in June 2026. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 78%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 5.6
- last 12 months
- Duration
- 3h 35m
- scheduled
- Distance
- 1,587 mi
Best airline from LAS to BNA
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 80% | 10 min | 0.4% | 3,690 |
| Spirit Airlines | 78% | 17 min | 2.5% | 569 |
Monthly on-time trend
Best time to fly from LAS to BNA
Aim for departures around 6 a.m. (97% on-time); avoid 3 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 11 min |
| Tuesdaybest | 87% | 8 min |
| Wednesday | 85% | 7 min |
| Thursday | 74% | 16 min |
| Friday | 72% | 15 min |
| Saturday | 86% | 8 min |
| Sunday | 77% | 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 aircraft39%
- Airline operations38%
- National airspace system22%
- Weather2%
Frequently asked questions
- How often are flights from LAS to BNA delayed?
- 21% of LAS–BNA 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 11 minutes.
- Which airline is most reliable from LAS to BNA?
- Southwest Airlines has the best on-time record on this route at 80%, based on 3,690 flights. 2 airlines flew LAS–BNA frequently enough to compare in this period.
- What is the best time of day to fly from LAS to BNA?
- Departures around 6 a.m. have the best record (97% on-time), while departures around 3 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to BNA?
- The scheduled LAS–BNA flight time averages 3h 35m over 1,587 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are LAS to BNA flights cancelled?
- 0.7% 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 LAS to BNA?
- June 2026 was the roughest month in this dataset, with only 66% of arrivals on time. The best was January 2025 at 89%. If your dates are flexible, that 23-point gap is worth planning around.
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Based on 4,295 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.