Airport · LAS · Las Vegas, Nevada

Las Vegas, NV

Las Vegas, NV posts bottom-quartile on-time performance among the 382 tracked U.S. airports, as one of the busiest U.S. airports. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 1,986,833 flights (2020–2025); its biggest delay driver is late aircraft.

Compiled by PlainFlights Editorial, Flight Performance Editorial Team

Data updated 2026-06-13

78%
On-time: Top 91%
on-time, US airports: 66 min
Delay when late: 1.02%
Cancelled

Key Performance Metrics

Total Flights

1,986,833

Best Month

Jan 90.9%

Worst Month

Jul 84.6%

Delayed

436,423

Cancelled

20,330

60-65%

1
65-70%

4
70-75%

9
75-80%

48
80-85%

192
85-90%

116
90-95%

12

What this shows LAS is marked in the 75-80% band.

Delay Cause Breakdown

Top delay cause: Late Aircraft. Total delay minutes: 12,850,772.

Late Aircraft 42.2% (5,422,331 min)

Carrier 36.3% (4,661,795 min)

NAS (National Aviation System) 18.8% (2,416,596 min)

Weather 2.5% (319,758 min)

Security 0.2% (30,292 min)

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: January (90.9% on-time). Most delays: July (84.6% on-time).

Month	Avg Flights	Avg Delayed	Avg Cancelled	On-Time %
December	27,567	6,195	269	88.3%
November	27,760	4,850	85	90.8%
October	29,960	6,163	110	89%
September	27,792	5,672	100	89.3%
August	28,593	6,725	242	87.5%
July	28,620	8,250	233	84.6%
June	26,736	7,185	143	85.7%
May	26,803	6,136	212	88.1%
April	26,360	5,652	768	89.1%
March	29,058	6,394	814	89%
February	24,970	4,717	174	90.5%
January	26,921	4,800	239	90.9%

Year-Over-Year Performance

Annual flight volume and on-time trends at LAS.

Year	Flights	Delayed	Cancelled	On-Time %
2025	367,590	42,373	1,374	88.5%
2024	378,516	44,205	1,670	88.3%
2023	381,756	51,074	2,260	86.6%
2022	351,022	47,601	3,769	86.4%
2021	282,845	33,060	2,077	88.3%
2020	225,104	9,310	9,180	95.9%

Cancellation & Diversion Analysis

Flight disruption statistics for Las Vegas, NV.

Cancellation Rate

1.02%

20,330 of 1,986,833 flights

Diversion Rate

0.12%

2,458 of 1,986,833 flights

Delay Rate

22.0%

436,423 of 1,986,833 flights

Monthly Performance

Recent 24 months of flight data.

Period	Flights	Dep Delayed	Arr Delayed	Cancelled	Diverted
Dec 2025	29,084	3,613	3,118	88	31
Nov 2025	28,880	3,116	2,820	250	22
Oct 2025	31,203	4,039	3,430	49	19
Sep 2025	28,804	3,191	2,888	76	38
Aug 2025	29,841	3,386	2,875	75	60
Jul 2025	31,457	4,570	3,906	178	84
Jun 2025	31,567	4,306	3,822	127	82
May 2025	33,428	3,838	3,355	79	42
Apr 2025	32,067	3,357	3,069	55	36
Mar 2025	32,890	3,361	3,152	99	50
Feb 2025	28,358	2,846	2,836	130	28
Jan 2025	30,011	2,750	2,788	168	36
Dec 2024	31,157	3,074	2,723	66	45
Nov 2024	31,470	2,554	2,414	36	25
Oct 2024	34,390	2,976	2,736	60	23
Sep 2024	31,335	3,166	3,010	49	39
Aug 2024	32,201	3,943	3,827	134	104
Jul 2024	32,580	5,631	4,936	431	178
Jun 2024	31,395	4,530	3,875	102	127
May 2024	32,685	4,335	4,246	110	62
Apr 2024	31,164	3,499	3,309	47	27
Mar 2024	32,120	4,314	4,331	151	30
Feb 2024	28,134	2,960	3,089	110	40
Jan 2024	29,885	3,223	3,276	374	29

Top Routes from LAS

Busiest routes to and from Las Vegas, NV.

Route	Flights	On-Time	Distance
LAX (Los Angeles) → LAS (Las Vegas)	55,240	78.9%	236 mi
LAS (Las Vegas) → LAX (Los Angeles)	55,149	79.4%	236 mi
LAS (Las Vegas) → DEN (Denver)	44,661	77.7%	628 mi
DEN (Denver) → LAS (Las Vegas)	44,636	76.1%	628 mi
LAS (Las Vegas) → SEA (Seattle)	36,175	81.5%	867 mi
SEA (Seattle) → LAS (Las Vegas)	36,154	80.3%	867 mi
PHX (Phoenix) → LAS (Las Vegas)	35,224	78.9%	255 mi
LAS (Las Vegas) → PHX (Phoenix)	35,193	79.1%	255 mi
LAS (Las Vegas) → SAN (San Diego)	33,593	72.8%	258 mi
SAN (San Diego) → LAS (Las Vegas)	33,400	77.7%	258 mi
DFW (Dallas/Fort Worth) → LAS (Las Vegas)	32,222	72.9%	1,055 mi
LAS (Las Vegas) → DFW (Dallas/Fort Worth)	32,210	80.3%	1,055 mi
SFO (San Francisco) → LAS (Las Vegas)	31,598	78.5%	414 mi
LAS (Las Vegas) → SFO (San Francisco)	31,552	74.9%	414 mi
LAS (Las Vegas) → ORD (Chicago)	28,710	80.7%	1,514 mi
ORD (Chicago) → LAS (Las Vegas)	28,704	78.4%	1,514 mi
LAS (Las Vegas) → ATL (Atlanta)	27,360	81.9%	1,747 mi
ATL (Atlanta) → LAS (Las Vegas)	27,285	77.8%	1,747 mi
SMF (Sacramento) → LAS (Las Vegas)	26,989	80.6%	397 mi
LAS (Las Vegas) → SMF (Sacramento)	26,850	78.9%	397 mi

Airports With a Similar On-Time Rate

Other U.S. airports nationwide whose on-time rate is closest to Las Vegas, NV's 78%.

Baltimore, MD

78% on-time 1,049,006 flights

Eagle, CO

78% on-time 37,271 flights

Newark, NJ

78.1% on-time 1,354,054 flights

Miami, FL

77.9% on-time 1,160,127 flights

Islip, NY

77.9% on-time 54,300 flights

Flint, MI

78.1% on-time 31,426 flights

Other Airports in Nevada

Compare performance with other Nevada airports.

RNO 82.5%

Reno, NV

Reno · 229,410 flights

EKO 93.6%

Elko, NV

Elko · 5,662 flights

Keep exploring

More flight data around Las Vegas, NV.

Nevada flight data

Statewide on-time and delay aggregates, plus every reporting airport in Nevada.

View NV data →

Airport rankings

See where LAS sits among U.S. airports on on-time rate and average delay.

Best on-time airports →

Compare airports

Put LAS head-to-head with another airport on delays and reliability.

Open comparison tool →

What the Data Says About LAS

Las Vegas, NV in Las Vegas, Nevada handled 1,986,833 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 78% on-time departure rate. Of those flights, 436,423 experienced delays, 20,330 were cancelled, and 2,458 were diverted. The cancellation rate works out to 1.02%, the diversion rate to 0.12%, and the average delay when departures run late is 65.8 minutes. These figures are the baseline for comparing LAS against other airports in the same state and nationally.

Breaking down what drives delays at LAS, Late Aircraft leads the pack. Late Aircraft accounts for 42.2% of total delay minutes, followed by Carrier at 36.3% and NAS (National Aviation System) at 18.8%. Weather contributes 2.5% of delay minutes at this airport, while security holds the smallest share at 0.2%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, January runs the cleanest at LAS with a 90.9% on-time rate, while July is the roughest at 84.6% - a 6-point swing between best and worst month. Volume peaks in October, when average flights hit 29,960. The busiest route connecting LAS is to LAX (Los Angeles), with 55,240 flights at a 78.9% on-time rate. Combine these numbers - 78% on-time, 65.8-minute average delay, 1.02% cancellation rate, and you have a concrete picture of departure reliability at Las Vegas, NV.

Frequently Asked Questions

What is the on-time performance rate at Las Vegas, NV (LAS)? ▼

Las Vegas, NV has an overall on-time departure rate of 78%. Out of 1,986,833 total flights tracked, 436,423 experienced delays and 20,330 were cancelled.

What is the most common cause of delays at LAS? ▼

The top delay cause at Las Vegas, NV is Late Aircraft. Late Aircraft accounts for 42.2% of all delay minutes.

What is the average delay time at LAS? ▼

The average delay at Las Vegas, NV is 65.8 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.

What is the best month to fly from LAS? ▼

Based on historical data, January has the best on-time performance at LAS with 90.9% of flights departing on time.

What is the worst month for delays at LAS? ▼

July tends to have the most delays at LAS, with an on-time rate of only 84.6%.

How many routes operate from LAS? ▼

Las Vegas, NV serves at least 20 routes. The busiest route is LAX to LAS (Los Angeles - Las Vegas) with 55,240 flights.

What is the cancellation rate at LAS? ▼

Las Vegas, NV has a cancellation rate of 1.02%, based on 20,330 cancelled flights out of 1,986,833 total flights tracked.

Flight Guides

Data-driven guides to help you understand airport and flight performance.

Best & Worst Airlines for On-Time Performance

Which carriers consistently outperform peers

Why Flights Get Cancelled

Cancellation causes broken down by data

How to Choose Reliable Flight Routes

Use delay data to pick flights that arrive on time

Explore PlainFlights

All Airports

Browse US airports

Airlines

Compare carrier performance

Routes

Flight route performance

Rankings

Best on-time airports

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Read our methodology - how this data is sourced, computed, and verified.

Using LAS's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

Check the busiest route from LAS before you book a connection. See top routes
Travel in January rather than July if your dates are flexible. Seasonal patterns
Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

All airports → | Rankings →

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025 Accessed 2026-07-23

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.