Route on-time record

LAS to BNA: most on-time flights and the best time to fly

Las Vegas (Harry Reid International Airport) to Nashville (Nashville International Airport). 2,031 nonstop flights in Jun 2025 to May 2026, 80% arrived within 15 minutes and 0.8% were cancelled. The most reliable flight number was Southwest 1318 at 6:40 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

LAS → BNA

Las Vegas to Nashville: 2,031 nonstop flights a year

On time (12 months)

80%

Cancelled

0.8%

avg delay 11 min

Best time to leave

Before 9 AM

93% on time vs 63% noon to 3 PM

Most reliable airline

Southwest

79% chance on time

Check LAS to BNA fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

#1 · Southwest 1318
6:40 AM → 12:10 PM3h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 1570; its record covers all of them.
93%
chance on time
On time (history)
94%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 94% of the time (52 flights, Jun 2025 to May 2026).
- Never cancelled in 52 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; Noon to 3 PM: 63%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Limited track record · 52 flights
Find Southwest 1318 fares Opens this date on Aviasales
#2 · Southwest 3491
6:30 AM → 12:05 PM3h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
92%
chance on time
On time (history)
94%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 94% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; Noon to 3 PM: 63%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Limited track record · 33 flights
Find Southwest 3491 fares Opens this date on Aviasales
#3 · Southwest 3791
6:50 AM → 12:25 PM3h 35m nonstop
Local times, typical schedule. Last flown 2026-05-27.
92%
chance on time
On time (history)
94%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 94% of the time (16 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; Noon to 3 PM: 63%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 3791 fares Opens this date on Aviasales
#4 · Southwest 792
11:40 PM → 5:10 AM3h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 3997, 3513; its record covers all of them.
85%
chance on time
On time (history)
82%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 82% of the time (87 flights, Jun 2025 to May 2026).
- Never cancelled in 87 scheduled flights.
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Moderate track record · 87 flights
Find Southwest 792 fares Opens this date on Aviasales
#5 · Southwest 2569
11:15 AM → 5:00 PM3h 45m nonstop
Local times, typical schedule. Last flown 2026-05-27.
84%
chance on time
On time (history)
94%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 94% of the time (16 flights, Jun 2025 to May 2026).
- Departs inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Lands inside BNA's trouble window: 64% of its 44 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 2569 fares Opens this date on Aviasales
#6 · Southwest 3741
10:10 AM → 3:45 PM3h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
On time (history)
74%
Cancelled
0.0%
Avg arrival delay
9 min
- Arrived on time 74% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Departs inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Lands inside BNA's trouble window: 64% of its 44 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 54 flights
Find Southwest 3741 fares Opens this date on Aviasales
#7 · Southwest 2398
10:40 AM → 4:15 PM3h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
78%
chance on time
On time (history)
74%
Cancelled
3.6%
Avg arrival delay
10 min
- Arrived on time 74% of the time (27 flights, Jun 2025 to May 2026).
- Departs inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Lands inside BNA's trouble window: 64% of its 44 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (27 flights), so its score leans on the airline's record at this hour.
Limited track record · 27 flights
Find Southwest 2398 fares Opens this date on Aviasales
#8 · Spirit 2194
11:47 PM → 5:10 AM3h 23m nonstop
Local times, typical schedule. Last flown 2026-04-13.
75%
chance on time
On time (history)
74%
Cancelled
5.6%
Avg arrival delay
28 min
- Arrived on time 74% of the time (84 flights, Jun 2025 to May 2026).
- Cancelled 5.6% of the time (5 of 89).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Moderate track record · 84 flights
Find Spirit 2194 fares Opens this date on Aviasales
#9 · Southwest 2266
6:20 PM → 11:55 PM3h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
72%
chance on time
On time (history)
69%
Cancelled
0.0%
Avg arrival delay
18 min
- Arrived on time 69% of the time (32 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
- Short track record (32 flights), so its score leans on the airline's record at this hour.
Limited track record · 32 flights
Find Southwest 2266 fares Opens this date on Aviasales
#10 · Southwest 1589
1:45 PM → 7:20 PM3h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
68%
chance on time
On time (history)
80%
Cancelled
0.0%
Avg arrival delay
11 min
- Arrived on time 80% of the time (15 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (Noon to 3 PM: 63% on time; Before 9 AM: 93%).
- Departs inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find Southwest 1589 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Southwest Airlines79%
1,754 flights · 80% on time as flown · 0.6% cancel
Spirit Airlines78%
271 flights · 80% on time as flown · 1.7% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM93%
549 flights · avg delay 3 min
9 AM to noon81%
320 flights · avg delay 8 min
Noon to 3 PM63%
301 flights · avg delay 20 min
3 to 6 PM64%
194 flights · avg delay 20 min
6 to 9 PM65%
176 flights · avg delay 19 min
After 9 PM85%
491 flights · avg delay 9 min

Best day: Saturday (87%). Worst: Friday (72%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

What delays this route

Airline (crew, maintenance, boarding)42%
Late-arriving aircraft36%
Air traffic control and airport volume19%
Severe weather3%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

LAS to BNA questions

What time of day is best to fly LAS to BNA?: Before 9 AM: 93% of flights arrived on time, against 63% for departures noon to 3 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from LAS to BNA?: Southwest, with a season-adjusted 79% chance of operating and arriving on time over 1,754 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on LAS to BNA?: June (71% on time); the best was January (84%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?: No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

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