ON TIMEBOARD

LAS → BNA on time

Las Vegas Harry Reid (Las Vegas, NV) to Nashville (Nashville, TN). Every scheduled flight, September 2025 to August 2026.

On time
76%
arrived < 15 min late
Cancelled
0.8%
2,060 flights
Typical arrival
−2 min
median vs schedule
When late
+48 min
average delay
Flights / day
6
6 airlines

76% of flights from Las Vegas to Nashville arrived on time over the past 12 months. That is about the typical U.S. route. The 6 a.m. departures ran on time 95% of the time; the 1 p.m. ones 52%. Most reliable airline: Spirit Airlines (82%). 6% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LAS → BNA: when a flight was late, it was under 45 minutes late 67% of the time. About 1 in 21 flights landed an hour or more late, and 1 in 229 three hours or more; 0.8% were cancelled outright.

Share of all 2,060 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines1,81176%0.6%−2 min4.5%+44 minSouthwest Airlines
Spirit Airlines19582%3.1%−9 min6.7%+86 minSpirit Airlines
Frontier Airlines48—————Frontier Airlines
American Airlines2—————American Airlines
Delta Air Lines2—————Delta Air Lines
Allegiant Air2—————Allegiant Air

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at LAS). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: too few flights (59 flights)5a6 a.m. departures: 95% on time (285 flights)956a7 a.m. departures: too few flights (73 flights)7a8 a.m. departures: 86% on time (111 flights)868a9 a.m. departures: 86% on time (123 flights)869a10 a.m. departures: 81% on time (162 flights)8110a11 a.m. departures: 68% on time (109 flights)6811anoon departures: too few flights (69 flights)12p1 p.m. departures: 52% on time (139 flights)521p2 p.m. departures: too few flights (83 flights)2p3 p.m. departures: too few flights (65 flights)3p4 p.m. departures: too few flights (69 flights)4p5 p.m. departures: 63% on time (105 flights)635p6 p.m. departures: too few flights (97 flights)6p7 p.m. departures: too few flights (39 flights)7p8 p.m. departures: too few flights (26 flights)8p9 p.m. departures: too few flights9p10 p.m. departures: too few flights (2 flights)10p11 p.m. departures: 82% on time (444 flights)8211p
LAS → BNA, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsSouthwest Airlines
6 a.m.95%
10 a.m.80%
1 p.m.52%
5 p.m.63%
11 p.m.86%

Last flight of the day

On LAS → BNA, each airline's last flight of the day was cancelled 0.8% of the time, against 0.5% for its earlier flights (1.4× as often). It arrived 3+ hours late 0.0% of the time (earlier flights: 0.3%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Southwest Airlines11:25 p.m.0.8%0.0%0.5%first flight 6:45 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in BNA tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: November (84%). Worst: July (70%).

40%70%100%Jan: 81% on time (421 flights)81JanFeb: 82% on time (424 flights)82FebMar: 74% on time (503 flights)74MarApr: 81% on time (464 flights)81AprMay: 77% on time (479 flights)77MayJun: 71% on time (559 flights)71JunJul: 70% on time (581 flights)70JulAug: 78% on time (540 flights)78AugSep: 78% on time (504 flights)78SepOct: 79% on time (641 flights)79OctNov: 84% on time (495 flights)84NovDec: 82% on time (457 flights)82Dec

By day of week

DayFlightsOn timeCancelled
Monday31576%0.0%
Tuesday28684%0.0%
Wednesday28481%0.0%
Thursday30773%0.7%
Friday30867%1.3%
Saturday24683%2.0%
Sunday31475%1.9%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 42%Late inbound plane 37%Air traffic & airport (NAS) 19%Severe weather 3%

Cancellations: weather 12 · airline 5

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 69% on time, 2.5% cancelledOct 2023: 77% on time, 1.0% cancelledNov 2023: 78% on time, 0.0% cancelledDec 2023: 76% on time, 0.0% cancelledJan 2024: 74% on time, 2.9% cancelledFeb 2024: 80% on time, 0.8% cancelledMar 2024: 70% on time, 0.0% cancelledApr 2024: 82% on time, 0.0% cancelledMay 2024: 81% on time, 0.0% cancelledJun 2024: 75% on time, 0.0% cancelledJul 2024: 66% on time, 1.9% cancelledAug 2024: 79% on time, 0.5% cancelledSep 2024: 81% on time, 0.6% cancelledOct 2024: 83% on time, 0.0% cancelledNov 2024: 88% on time, 0.0% cancelledDec 2024: 84% on time, 0.0% cancelledJan 2025: 87% on time, 2.2% cancelledFeb 2025: 84% on time, 2.1% cancelledMar 2025: 80% on time, 0.0% cancelledApr 2025: 84% on time, 0.0% cancelledMay 2025: 82% on time, 0.0% cancelledJun 2025: 72% on time, 0.0% cancelledJul 2025: 79% on time, 0.0% cancelledAug 2025: 82% on time, 0.6% cancelledSep 2025: 84% on time, 1.2% cancelledOct 2025: 79% on time, 0.0% cancelledNov 2025: 86% on time, 0.0% cancelledDec 2025: 88% on time, 0.0% cancelledJan 2026: 82% on time, 5.4% cancelledFeb 2026: 82% on time, 0.7% cancelledMar 2026: 71% on time, 1.6% cancelledApr 2026: 77% on time, 0.0% cancelledMay 2026: 65% on time, 1.3% cancelledJun 2026: 66% on time, 0.0% cancelledJul 2026: 67% on time, 0.0% cancelledAug 2026: 74% on time, 0.6% cancelled
Share of flights on time, by month (hover a point for cancellations)
LAS → BNA, monthly on-time and cancellation rate.

Worst days in the past year

DateFlightsOn timeCancelled
Jan 24, 202640%4
Jan 25, 2026617%3
May 18, 2026617%0
Mar 17, 2026617%0
Sep 26, 2025617%2

Questions

How often are flights from LAS to BNA on time?

76% of 2,060 scheduled flights from Las Vegas, NV to Nashville, TN arrived within 15 minutes of schedule between September 2025 and August 2026. 0.8% were cancelled.

What is the best time of day to fly LAS to BNA?

Flights scheduled to leave at 6 a.m. were the most reliable (95% on time). The 1 p.m. departures were the least (52%).

Which airline is most on time from LAS to BNA?

Spirit Airlines: 82% of its 195 flights on the route arrived on time. Southwest Airlines: 76%.

What month has the most delays from LAS to BNA?

July (70% on time). The best month is November (84%), over 2023–2026.

Is the last flight of the day from LAS to BNA more likely to be cancelled?

Yes. Each airline's last LAS–BNA flight of the day was cancelled 0.8% of the time over the past year, against 0.5% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.