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Route · SLC → LAS · 2020–2025 BTS data

Salt Lake City to Las Vegas

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SLC to LAS (Salt Lake City to Las Vegas) ranks #257 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

78.7%
On-time
-0.3 pts
vs US avg
68 min
Delay when late
22,829
Flights
#257 of 4927
Corpus placement

Cancelled

0.6%

Best Month

Dec 2024 84%

Worst Month

Mar 2024 64%

Distance

368 mi

Carriers

17

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 314 71 3 0 DL,WN,F9
Nov 2025 297 64 9 0 DL,F9,WN
Oct 2025 320 64 0 0 DL,WN,F9,NK
Sep 2025 314 72 2 0 WN,DL,NK,F9
Aug 2025 294 58 1 0 OO,WN,F9,NK,DL
Jul 2025 299 83 1 0 NK,OO,WN,DL,F9
Jun 2025 306 87 0 0 OO,WN,DL,F9,NK
May 2025 342 66 2 0 NK,WN,DL,F9
Apr 2025 322 78 0 0 DL,F9,NK,WN
Mar 2025 321 75 0 0 WN,DL,F9,NK
Feb 2025 318 96 0 0 WN,DL,F9,NK
Jan 2025 338 61 1 0 WN,DL,F9,NK
Dec 2024 338 53 0 0 DL,F9,NK,WN
Nov 2024 326 57 2 0 NK,WN,DL,F9
Oct 2024 387 84 2 0 WN,DL,NK,F9
Sep 2024 371 89 2 0 WN,DL,F9,NK
Aug 2024 389 108 2 1 DL,F9,NK,WN
Jul 2024 380 121 15 1 DL,F9,NK,WN
Jun 2024 340 87 3 0 DL,F9,NK,WN
May 2024 349 75 0 0 DL,F9,NK,WN
Apr 2024 356 74 1 0 DL,F9,NK,WN
Mar 2024 394 141 5 0 DL,F9,NK,WN
Feb 2024 383 85 0 0 DL,F9,NK,WN
Jan 2024 393 99 2 0 DL,F9,NK,WN

SLC–LAS seasonal on-time pattern

Best: November (83.1%) · weakest: July (74.7%)

74%76%78%80%82%84% JanFebMarAprMayJunJulAugSepOctNovDec 76.8%

Strongest calendar month

November

83.1% on-time · ~300 flights/mo

Busiest calendar month

October

~341 flights/mo avg

Weakest calendar month

July

74.7% on-time · ~329 flights/mo

Cancellation Rate

0.6%

53 of 8,191 flights

Diversion Rate

0.0%

2 of 8,191 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

SLC - Salt Lake City

Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.

SLC on-time profile

LAS - Las Vegas

Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.

LAS on-time profile

Compare the two airports

See SLC and LAS side by side on delays, cancellations, and reliability.

Compare SLC vs LAS

Origin-hub reliability standing

Mid-pack among SLC departures

From SLC, this corridor sits with 31 other 75–85% on-time routes out of 85 tracked departures, not the hub's reliability leaders (54 at ≥85%) and not the softest ( 0 below 75%). Destination: Las Vegas · fleet on-time rank #3619 of 4927.

What the Data Says About SLC to LAS

22,829 tracked flights put the SLC to LAS pairing (Salt Lake City to Las Vegas) at a 78.7% on-time rate, squarely in line with the wider network. Delays that do occur run 68.0 minutes on average. Across the 368-mile route and its 17 carriers, the trailing 24 months show 0.6% cancelled and 0.0% diverted (8,191 flights sampled).

The monthly split is wide on this route: Dec 2024 posted the strongest performance at 84% on-time, while Mar 2024 came in at just 64% - a 20-point swing worth factoring into travel timing.

On the multi-year calendar, SLC–LAS peaks in November at 83.1% on-time while October carries the heaviest traffic (~341 flights per month) ; the softest month is July at 74.7%, a 8.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SLC to LAS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SLC to LAS ranks #257 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SLC to LAS? ▼
Flights from Salt Lake City to Las Vegas have a 78.7% on-time rate based on 22,829 flights. The average delay is 68.0 minutes. The best recent month was Dec 2024 with 84% on-time.
What is the cancellation rate for SLC to LAS? ▼
Over the last 24 months, 0.6% of flights on this route were cancelled (53 of 8,191 flights) and 0.0% were diverted.
How far is the flight from SLC to LAS? ▼
The flight distance from Salt Lake City (SLC) to Las Vegas (LAS) is approximately 368 miles. This route is served by 17 carriers.
When is the best time to fly from SLC to LAS? ▼
The best recent month for on-time performance was Dec 2024 (84% on-time). The worst was Mar 2024 (64% on-time). Consider booking during months with historically better performance.

Airports on this route

SLC Airport

Salt Lake City
LAS Airport

Las Vegas
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using SLC–LAS data

SLC–LAS is mid-pack at 78.7% on-time; month and carrier mix move more than the corridor headline.

  • Compare SLC and LAS airport profiles: delay causes and top routes differ even on the same corridor. SLC airport
  • If your dates flex, November (83.1% on-time) beats July (74.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 78.7% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.