Air travel

How often are flights at Las Vegas (LAS) late?

In the 12 months through August 2026, 26.3% of flights leaving Las Vegas (LAS) left 15 or more minutes late, the 13th most of the 102 U.S. airports with at least 10,000 departures, against 22.9% of all U.S. flights. Airlines cancelled 0.9% of its scheduled departures (1.9% nationwide), the 12th fewest of the 102. Its worst month was June 2026, when 36.1% left late. Flights scheduled to leave in the 8 p.m. hour were late most often (41.9%), and those in the 6 a.m. hour least often (6.2%).

Left 15+ minutes late

26.3%

The 13th most of 102 airports

Cancelled

0.9%

The 12th fewest of 102 airports

Worst month

June 2026

36.1% left late

Flights leaving Las Vegas (LAS) 15+ minutes late, each month

The interactive chart needs JavaScript. The numbers are in the tables below.

Flights leaving Las Vegas (LAS) 15+ minutes late, by scheduled departure hour

The interactive chart needs JavaScript. The numbers are in the tables below.

Hours are local time at Las Vegas. Delays build through the day as late planes make their next flights late too. Hours with fewer than about one flight a day are left out.

The numbers

Departures from Las Vegas (LAS) each month and each scheduled departure hour.

Flights leaving Las Vegas (LAS) by month
Month Scheduled Left late Cancelled
September 2025 14,399 22.3% 0.5%
October 2025 15,597 26.0% 0.3%
November 2025 14,443 21.9% 1.7%
December 2025 14,547 25.0% 0.6%
January 2026 13,695 20.0% 1.9%
February 2026 12,886 20.0% 0.9%
March 2026 15,169 24.2% 1.2%
April 2026 14,672 25.8% 0.4%
May 2026 14,585 29.6% 0.7%
June 2026 13,704 36.1% 0.8%
July 2026 14,315 33.3% 1.0%
August 2026 13,832 31.3% 1.0%
Flights leaving Las Vegas (LAS) by departure hour
Departure hour Scheduled Left late Cancelled
Before 6 a.m. 5,384 14.6% 1.1%
6 a.m. 11,201 6.2% 0.7%
7 a.m. 14,299 11.5% 0.9%
8 a.m. 11,577 14.7% 0.6%
9 a.m. 12,026 17.5% 0.7%
10 a.m. 10,857 20.5% 0.8%
11 a.m. 10,443 23.4% 0.8%
Noon 10,866 29.2% 1.0%
1 p.m. 9,706 28.5% 0.8%
2 p.m. 10,238 34.8% 0.8%
3 p.m. 9,252 36.1% 1.0%
4 p.m. 8,649 38.2% 0.9%
5 p.m. 8,944 36.9% 0.8%
6 p.m. 8,490 41.8% 1.0%
7 p.m. 7,472 38.9% 0.6%
8 p.m. 4,869 41.9% 1.3%
9 p.m. 4,879 40.8% 1.3%
10 p.m. 6,020 34.8% 1.2%
11 p.m. 6,672 24.0% 1.4%

Source and notes

U.S. Bureau of Transportation Statistics, Airline On-Time Performance (Reporting Carrier On-Time Performance, 1987–present) (Public domain (U.S. government work)). Data from September 2025 through August 2026.

These are domestic flights of the large U.S. airlines that report to the Bureau of Transportation Statistics, including the regional airlines that fly for them. A flight is late when it leaves its gate 15 or more minutes after its scheduled time, out of the flights that left; cancellations are out of the flights scheduled. BTS posts each month about two months after it ends, and this page moves on a month when it does.