Historical on-time performance

LASLAX

Las Vegas to Los Angeles

236 miData through Dec 2025Source: US DOT · BTS

Flights on LAS–LAX arrive on time 79% of the time over the last 12 months.

On-time rate79%arrived within 15 min

Median delayon timetypical arrival

p90 delay35 min1 in 10 flights is worsetail risk

Cancelled0.5%of scheduled flights

based on 8,633 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Airline	On-time	Median	p90	Cancel	Flights
Delta Air Lines	82%	on time	30 min	0.2%	1,735
Frontier Airlines	79%	on time	40 min	0.0%	531
United Airlines	85%	on time	20 min	0.7%	1,502
American Airlines	79%	on time	50 min	0.4%	1,239
SkyWest Airlines	78%	on time	40 min	2.5%	200
Spirit Airlinesbest	87%	on time	20 min	0.5%	993
Southwest Airlines	71%	on time	45 min	0.4%	2,433

Delta Air Lines
On-time82%
Medianon time
p9030 min
Cancel0.2%
Flights1,735
Frontier Airlines
On-time79%
Medianon time
p9040 min
Cancel0.0%
Flights531
United Airlines
On-time85%
Medianon time
p9020 min
Cancel0.7%
Flights1,502
American Airlines
On-time79%
Medianon time
p9050 min
Cancel0.4%
Flights1,239
SkyWest Airlines
On-time78%
Medianon time
p9040 min
Cancel2.5%
Flights200
Spirit Airlinesbest
On-time87%
Medianon time
p9020 min
Cancel0.5%
Flights993
Southwest Airlines
On-time71%
Medianon time
p9045 min
Cancel0.4%
Flights2,433

Why flights run late

Delay causes

Airline31%
Weather1%
Air traffic (NAS)14%
Late aircraft55%
Security0%

Most delay minutes here are attributed to Late aircraft.

Over time

On-time trend

By season

On-time rate by month

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Related pages

Delay predictorfor this route→LAS airportLas Vegas→LAX airportLos Angeles→Northwest Airlines on this routecarrier detail→Northwest Airlinesairline profile→