Skip to content
WanderNerd
Check a flight

Airport Reliability

LAS · Las Vegas

Harry Reid International Airport

76%
Departures within 15 minutes
13 min
Average departure delay
79%
Arrivals within 15 minutes
0.9%
Departures cancelled

Based on 178,458 departures and 178,458 arrivals. Data through May 2026.

What the data says

Morning flights do better here.

Departures from LAS departing between 3–6 AM arrived on time 96% of the time, versus 69% between 6–9 PM.

Sunday scaries are real for this one.

Departures from LAS arrived on time 85% of the time on Saturdays. On Sundays: 75%.

Slipping a little lately.

Departures from LAS arrived on time 78% of the time over the last three months in the data, compared with 83% in the three months before that.

When LAS gets messy

On-time by departure window
  • 12–3 AM82%(2707 flights)
  • 3–6 AM96%(2951 flights)
  • 6–9 AM90%(37957 flights)
  • 9 AM–12 PM83%(34383 flights)
  • 12–3 PM75%(30617 flights)
  • 3–6 PM71%(28025 flights)
  • 6–9 PM69%(21381 flights)
  • 9 PM–12 AM76%(18323 flights)
On-time by weekday
  • Mon77%(27413 flights)
  • Tue83%(22374 flights)
  • Wed84%(22638 flights)
  • Thu76%(27236 flights)
  • Fri76%(27431 flights)
  • Sat85%(20980 flights)
  • Sun75%(28272 flights)
On-time trend by month
75%
May

Jun 75% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%15750
July 202574%15651
August 202581%14979
September 202579%14484
October 202578%15768
November 202580%14361
December 202581%14679
January 202684%13555
February 202684%12813
March 202679%15016
April 202680%14701
May 202675%14587

Airlines departing LAS

Busiest routes from LAS

Based on 178,458 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.