LAS → SMF: 78% on-time

Historical on-time performance

Las Vegas to Sacramento

397 miData through May 2026Source: US DOT · BTS

Flights on LAS–SMF arrive on time 78% of the time over the last 12 months.

On-time rate78%arrived within 15 min

p90 delay40 min1 in 10 flights is worse (tail risk)

Cancelled0.5%of scheduled flights

based on 4,188 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Too close to call — no single carrier is clearly more on-time here.

Airline	On-time	Median	p90	Cancel	Flights
SkyWest Airlines	85%	on time	35 min	1.3%	478
Spirit Airlines	80%	on time	55 min	2.0%	250
Southwest Airlines	77%	on time	40 min	0.2%	3,430
Frontier Airlines⚠ low data	60%	on time	70 min	3.3%	30

SkyWest Airlines
On-time85%
Medianon time
p9035 min
Cancel1.3%
Flights478
Spirit Airlines
On-time80%
Medianon time
p9055 min
Cancel2.0%
Flights250
Southwest Airlines
On-time77%
Medianon time
p9040 min
Cancel0.2%
Flights3,430
Frontier Airlines
On-time60%
Medianon time
p9070 min
Cancel3.3%
Flights30

Why flights run late

Delay causes

Airline36%
Weather2%
Air traffic (NAS)11%
Late aircraft51%
Security0%

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Why flights were cancelled

Airline15%
Weather35%
Air traffic (NAS)50%
Security0%

Most cancellations here are attributed to Air traffic (NAS). Shares are among 20 cancellations with a reported cause (BTS reports causes from June 2003).

Over time

On-time trend

By season

On-time rate by month

When to fly

Best time to fly LAS → SMF

All airlines · rolling 36 months (2023-06 .. 2026-05).

Best time of day

Mornings are the most reliable time of day to fly this route — 93% on time.

Mornings93% on time · p90 5 min · 4,282 flights
Middays80% on time · p90 30 min · 3,560 flights
Afternoons73% on time · p90 45 min · 2,540 flights
Overnights70% on time · p90 50 min · 1,753 flights
Evenings68% on time · p90 55 min · 3,306 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 71% to 86% on time.

Wednesdays86% on time · p90 20 min · 2,031 flights
Saturdays86% on time · p90 20 min · 1,702 flights
Tuesdays85% on time · p90 20 min · 2,048 flights
Mondays77% on time · p90 40 min · 2,386 flights
Thursdays75% on time · p90 45 min · 2,386 flights
Sundays75% on time · p90 40 min · 2,467 flights
Fridays71% on time · p90 55 min · 2,421 flights

Keep exploring

Delay predictorfor this route→LAS airportLas Vegas→SMF airportSacramento→Southwest Airlinesairline profile→SkyWest Airlinesairline profile→Spirit Airlinesairline profile→Seasonal delay patternsguide→