ON TIMEBOARD

BZN → LAS on time

Bozeman Yellowstone (Bozeman, MT) to Las Vegas Harry Reid (Las Vegas, NV). Every scheduled flight, September 2025 to August 2026.

On time
82%
arrived < 15 min late
Cancelled
0.3%
599 flights
Typical arrival
−9 min
median vs schedule
When late
+79 min
average delay
Flights / day
2
2 airlines

82% of flights from Bozeman to Las Vegas arrived on time over the past 12 months. That is better than the typical U.S. route. 7% 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 BZN → LAS: when a flight was late, it was under 45 minutes late 53% of the time. About 1 in 15 flights landed an hour or more late, and 1 in 60 three hours or more; 0.3% were cancelled outright.

Share of all 599 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines50983%0.0%−8 min6.9%+72 minSouthwest Airlines
Allegiant Air90—————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 BZN). 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 (30 flights)5a6 a.m. departures: too few flights (95 flights)6a7 a.m. departures: too few flights (20 flights)7a8 a.m. departures: too few flights (12 flights)8a9 a.m. departures: too few flights (18 flights)9a10 a.m. departures: 86% on time (116 flights)8610a11 a.m. departures: too few flights (32 flights)11anoon departures: too few flights (29 flights)12p1 p.m. departures: too few flights (16 flights)1p2 p.m. departures: too few flights (23 flights)2p3 p.m. departures: too few flights (56 flights)3p4 p.m. departures: too few flights (45 flights)4p5 p.m. departures: too few flights (21 flights)5p6 p.m. departures: too few flights (1 flights)6p7 p.m. departures: too few flights (59 flights)7p8 p.m. departures: too few flights (22 flights)8p
BZN → LAS, 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

Last flight of the day

On BZN → LAS, each airline's last flight of the day was cancelled 0.0% of the time, against 0.0% for its earlier flights, about the same. It arrived 3+ hours late 4.2% of the time (earlier flights: 0.7%). 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 Airlines7:00 p.m.0.0%4.2%0.0%first flight 10:15 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.

By month

Each calendar month pooled over 2023–2026. Best: May (87%). Worst: February (66%).

40%70%100%Jan: 73% on time (144 flights)73JanFeb: 66% on time (142 flights)66FebMar: 79% on time (178 flights)79MarApr: 83% on time (149 flights)83AprMay: 87% on time (147 flights)87MayJun: 74% on time (186 flights)74JunJul: 71% on time (198 flights)71JulAug: 72% on time (173 flights)72AugSep: 82% on time (174 flights)82SepOct: 84% on time (180 flights)84OctNov: 85% on time (151 flights)85NovDec: 82% on time (171 flights)82Dec

By day of week

DayFlightsOn timeCancelled
Monday84——
Tuesday68——
Wednesday61——
Thursday12178%0.8%
Friday84——
Saturday56——
Sunday12583%0.8%

Why flights were late

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

Late inbound plane 48%Air traffic & airport (NAS) 26%Airline (crew, maintenance, ops) 25%Severe weather 1%

Cancellations: air traffic/airport 2

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Jun 18, 2026333%0
Aug 13, 2026333%0
Aug 6, 2026333%0
Jun 21, 2026333%0
Aug 9, 2026333%0

Questions

How often are flights from BZN to LAS on time?

82% of 599 scheduled flights from Bozeman, MT to Las Vegas, NV arrived within 15 minutes of schedule between September 2025 and August 2026. 0.3% were cancelled.

What month has the most delays from BZN to LAS?

February (66% on time). The best month is May (87%), over 2023–2026.

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

Not much. Each airline's last BZN–LAS flight of the day was cancelled 0.0% of the time over the past year, against 0.0% 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.