Route on-time record

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

Nashville (Nashville International Airport) to Las Vegas (Harry Reid International Airport). 2,016 nonstop flights in Jun 2025 to May 2026, 78% arrived within 15 minutes and 0.9% were cancelled. The most reliable flight number was Southwest 2706 at 5:30 AM.

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

BNA → LAS

Nashville to Las Vegas: 2,016 nonstop flights a year

On time (12 months)

78%

Cancelled

0.9%

avg delay 12 min

Best time to leave

Before 9 AM

94% on time vs 65% after 9 PM

Most reliable airline

Southwest

78% chance on time

Check BNA to LAS fares

Lowest nonstop fare seen in the next two months: $136 (Frontier 3777 on 2026-11-02). 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 2706
5:30 AM → 7:35 AM4h 05m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
On time (history)
93%
Cancelled
3.2%
Avg arrival delay
2 min
- Arrived on time 93% of the time (30 flights, Jun 2025 to May 2026).
- Cancelled 3.2% of the time (1 of 31).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 65%).
- Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
Limited track record · 30 flights
Find Southwest 2706 fares Opens this date on Aviasales
#2 · Southwest 3239
5:40 AM → 8:00 AM4h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
92%
chance on time
On time (history)
94%
Cancelled
0.0%
Avg arrival delay
2 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: 94% on time; After 9 PM: 65%).
- Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
Limited track record · 33 flights
Find Southwest 3239 fares Opens this date on Aviasales
#3 · Southwest 170
7:35 AM → 9:45 AM4h 10m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
On time (history)
89%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 89% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 65%).
- Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
Limited track record · 55 flights
Find Southwest 170 fares Opens this date on Aviasales
#4 · Southwest 2321
8:50 AM → 11:10 AM4h 20m nonstop
Local times, typical schedule. Last flown 2026-04-01.
86%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 65%).
- Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
Limited track record · 8 flights
Find Southwest 2321 fares Opens this date on Aviasales
#5 · Southwest 1156
8:30 AM → 10:50 AM4h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
85%
chance on time
On time (history)
93%
Cancelled
6.7%
Avg arrival delay
3 min
- Arrived on time 93% of the time (14 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 65%).
- Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
Limited track record · 14 flights
Find Southwest 1156 fares Opens this date on Aviasales
#6 · Southwest 3045
8:10 PM → 10:35 PM4h 25m nonstop
Local times, typical schedule. Last flown 2026-04-06.
76%
chance on time
On time (history)
76%
Cancelled
0.0%
Avg arrival delay
18 min
- Arrived on time 76% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
- 69% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 33 flights
Find Southwest 3045 fares Opens this date on Aviasales
#7 · Southwest 662
12:15 PM → 2:20 PM4h 05m nonstop
Local times, typical schedule. Last flown 2026-05-30.
76%
chance on time
On time (history)
66%
Cancelled
0.0%
Avg arrival delay
15 min
- Arrived on time 66% of the time (47 flights, Jun 2025 to May 2026).
- Never cancelled in 47 scheduled flights.
- Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
Limited track record · 47 flights
Find Southwest 662 fares Opens this date on Aviasales
#8 · Spirit 2193
8:41 PM → 10:52 PM4h 11m nonstop
Local times, typical schedule. Last flown 2026-04-14.
75%
chance on time
On time (history)
77%
Cancelled
4.4%
Avg arrival delay
19 min
- Arrived on time 77% of the time (87 flights, Jun 2025 to May 2026).
- Cancelled 4.4% of the time (4 of 91).
- Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
- 61% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 87 flights
Find Spirit 2193 fares Opens this date on Aviasales
#9 · Southwest 420
2:35 PM → 4:55 PM4h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
73%
chance on time
On time (history)
70%
Cancelled
0.0%
Avg arrival delay
15 min
- Arrived on time 70% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Departs inside BNA's trouble window: 64% of its 44 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (33 flights), so its score leans on the airline's record at this hour.
Limited track record · 33 flights
Find Southwest 420 fares Opens this date on Aviasales
#10 · Southwest 336
2:05 PM → 4:10 PM4h 05m nonstop
Local times, typical schedule. Last flown 2026-05-27.
72%
chance on time
On time (history)
50%
Cancelled
0.0%
Avg arrival delay
25 min
- Arrived on time 50% of the time (16 flights, Jun 2025 to May 2026).
- Departs 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 336 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Southwest Airlines78%
1,737 flights · 78% on time as flown · 0.7% cancel
Spirit Airlines76%
273 flights · 78% on time as flown · 1.7% cancel

On time by departure time

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

Before 9 AM94%
589 flights · avg delay 3 min
9 AM to noon91%
110 flights · avg delay 7 min
Noon to 3 PM75%
360 flights · avg delay 13 min
3 to 6 PM69%
295 flights · avg delay 16 min
6 to 9 PM69%
447 flights · avg delay 19 min
After 9 PM65%
215 flights · avg delay 21 min

Best day: Tuesday (83%). Worst: Friday (73%).

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

Late-arriving aircraft52%
Airline (crew, maintenance, boarding)30%
Air traffic control and airport volume17%
Severe weather1%

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

BNA to LAS questions

What time of day is best to fly BNA to LAS?: Before 9 AM: 94% of flights arrived on time, against 65% for departures after 9 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 BNA to LAS?: Southwest, with a season-adjusted 78% chance of operating and arriving on time over 1,737 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 BNA to LAS?: July (69% on time); the best was November (85%), 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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