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Route · DEN → LAS · 2020–2025 BTS data

Denver to Las Vegas

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to LAS (Denver to Las Vegas) ranks #18 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76.1%
On-time
-2.9 pts
vs US avg
65 min
Delay when late
44,636
Flights
#18 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Dec 2024 86%

Worst Month

Jul 2025 63%

Distance

628 mi

Carriers

27

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 560 142 2 0 WN,F9,UA
Nov 2025 594 108 13 0 UA,F9,WN
Oct 2025 653 167 0 1 UA,WN,F9
Sep 2025 537 154 1 1 UA,WN,F9
Aug 2025 527 159 4 1 WN,F9,UA
Jul 2025 561 207 6 1 UA,WN,F9
Jun 2025 551 191 4 2 UA,WN,F9
May 2025 665 189 5 0 UA,WN,F9
Apr 2025 680 166 4 0 F9,UA,WN
Mar 2025 714 146 1 0 UA,WN,F9
Feb 2025 610 147 2 0 UA,WN,F9
Jan 2025 611 164 0 0 UA,WN,F9
Dec 2024 617 86 1 0 F9,UA,WN
Nov 2024 614 130 7 0 UA,WN,F9
Oct 2024 696 112 0 0 UA,WN,F9
Sep 2024 634 121 0 1 WN,UA,F9
Aug 2024 608 163 4 0 F9,WN,UA
Jul 2024 630 210 14 1 F9,UA,WN
Jun 2024 647 210 3 0 F9,UA,WN
May 2024 784 230 7 2 F9,UA,WN
Apr 2024 774 206 3 0 F9,UA,WN
Mar 2024 783 249 20 0 F9,UA,WN
Feb 2024 679 192 5 1 F9,UA,WN
Jan 2024 696 159 20 0 F9,NK,WN,UA

DEN–LAS seasonal on-time pattern

Best: November (83.5%) · weakest: July (67.8%)

65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 76.1%

Strongest calendar month

November

83.5% on-time · ~623 flights/mo

Busiest calendar month

October

~680 flights/mo avg

Weakest calendar month

July

67.8% on-time · ~611 flights/mo

Cancellation Rate

0.8%

126 of 15,425 flights

Diversion Rate

0.1%

11 of 15,425 flights

Explore origin & destination

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

DEN - Denver

Full on-time, delay-cause, and seasonal performance for Denver, CO.

DEN 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 DEN and LAS side by side on delays, cancellations, and reliability.

Compare DEN vs LAS

Origin-hub reliability standing

Mid-pack among DEN departures

From DEN, this corridor sits with 133 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 27 below 75%). Destination: Las Vegas · fleet on-time rank #4280 of 4927.

What the Data Says About DEN to LAS

The Denver to Las Vegas corridor (DEN to LAS) posts a 76.1% on-time rate on the lower edge of the average band, based on 44,636 tracked flights. Late flights run 65.3 minutes behind on average. 27 carriers cover the 628-mile route; over the last 24 months, 126 of 15,425 flights were cancelled (0.8%) and 0.1% diverted.

The monthly split is wide on this route: Dec 2024 posted the strongest performance at 86% on-time, while Jul 2025 came in at just 63% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, DEN–LAS peaks in November at 83.5% on-time while October carries the heaviest traffic (~680 flights per month) ; the softest month is July at 67.8%, a 15.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DEN to LAS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DEN to LAS ranks #18 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 DEN to LAS? ▼
Flights from Denver to Las Vegas have a 76.1% on-time rate based on 44,636 flights. The average delay is 65.3 minutes. The best recent month was Dec 2024 with 86% on-time.
What is the cancellation rate for DEN to LAS? ▼
Over the last 24 months, 0.8% of flights on this route were cancelled (126 of 15,425 flights) and 0.1% were diverted.
How far is the flight from DEN to LAS? ▼
The flight distance from Denver (DEN) to Las Vegas (LAS) is approximately 628 miles. This route is served by 27 carriers.
When is the best time to fly from DEN to LAS? ▼
The best recent month for on-time performance was Dec 2024 (86% on-time). The worst was Jul 2025 (63% on-time). Consider booking during months with historically better performance.

Airports on this route

DEN Airport

Denver
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 DEN–LAS data

DEN–LAS is mid-pack at 76.1% on-time; month and carrier mix move more than the corridor headline.

  • Compare DEN and LAS airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
  • If your dates flex, November (83.5% on-time) beats July (67.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76.1% 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.