Nashville (BNA) to Las Vegas (LAS): On-Time Performance
Data through May 2026
When you fly BNA to LAS matters as much as anything else about the booking: the route swung from 92% on-time in October 2024 to just 65% in May 2026. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 70%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 5.5
- last 12 months
- Duration
- 4h 7m
- scheduled
- Distance
- 1,587 mi
Best airline from BNA to LAS
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 80% | 11 min | 0.5% | 3,467 |
| Spirit Airlines | 75% | 19 min | 2.1% | 628 |
Monthly on-time trend
Best time to fly from BNA to LAS
Aim for departures around 5 a.m. (96% on-time); avoid 7 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 12 min |
| Tuesday | 82% | 12 min |
| Wednesday | 82% | 10 min |
| Thursday | 77% | 15 min |
| Friday | 75% | 15 min |
| Saturdaybest | 84% | 9 min |
| Sunday | 79% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft51%
- Airline operations25%
- National airspace system21%
- Weather2%
- Security1%
Frequently asked questions
- How often are flights from BNA to LAS delayed?
- 21% of BNA–LAS 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 12 minutes.
- Which airline is most reliable from BNA to LAS?
- Southwest Airlines has the best on-time record on this route at 80%, based on 3,467 flights. 2 airlines flew BNA–LAS frequently enough to compare in this period.
- What is the best time of day to fly from BNA to LAS?
- Departures around 5 a.m. have the best record (96% on-time), while departures around 7 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BNA to LAS?
- The scheduled BNA–LAS flight time averages 4h 7m over 1,587 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are BNA to LAS 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 LAS?
- May 2026 was the roughest month in this dataset, with only 65% of arrivals on time. The best was October 2024 at 92%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 4,101 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.