Historical on-time performance

SLCLAS

Salt Lake City to Las Vegas

368 miData through Dec 2025Source: US DOT · BTS

Flights on SLC–LAS arrive on time 77% of the time over the last 12 months.

On-time rate77%arrived within 15 min

Median delayon timetypical arrival

p90 delay40 min1 in 10 flights is worsetail risk

Cancelled0.5%of scheduled flights

based on 3,560 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 Linesbest	78%	on time	40 min	0.3%	1,734
Southwest Airlines	75%	on time	40 min	0.4%	1,441
Frontier Airlines	77%	on time	45 min	1.4%	292
Spirit Airlines⚠ low data	72%	on time	70 min	1.1%	93

Delta Air Linesbest
On-time78%
Medianon time
p9040 min
Cancel0.3%
Flights1,734
Southwest Airlines
On-time75%
Medianon time
p9040 min
Cancel0.4%
Flights1,441
Frontier Airlines
On-time77%
Medianon time
p9045 min
Cancel1.4%
Flights292
Spirit Airlines
On-time72%
Medianon time
p9070 min
Cancel1.1%
Flights93

Why flights run late

Delay causes

Airline32%
Weather1%
Air traffic (NAS)31%
Late aircraft36%
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→SLC airportSalt Lake City→LAS airportLas Vegas→ExpressJet Airlines (Continental Express) on this routecarrier detail→ExpressJet Airlines (Continental Express)airline profile→