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Route · LAS → DEN · 2020–2025 BTS data

Las Vegas to Denver

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAS to DEN (Las Vegas to Denver) ranks #17 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.7%
On-time
-1.3 pts
vs US avg
67 min
Delay when late
44,661
Flights
#17 of 4927
Corpus placement

Cancelled

1.0%

Best Month

Dec 2024 91%

Worst Month

Jul 2025 65%

Distance

628 mi

Carriers

27

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 556 109 3 2 WN,F9,UA
Nov 2025 591 108 18 0 UA,F9,WN
Oct 2025 655 138 0 0 UA,WN,F9
Sep 2025 539 145 1 1 UA,WN,F9
Aug 2025 528 168 4 2 WN,F9,UA
Jul 2025 560 197 9 5 UA,WN,F9
Jun 2025 553 189 4 1 UA,WN,F9
May 2025 670 233 4 3 UA,WN,F9
Apr 2025 686 182 6 4 F9,UA,WN
Mar 2025 715 121 4 0 UA,WN,F9
Feb 2025 609 105 3 0 UA,WN,F9
Jan 2025 613 101 1 0 UA,WN,F9
Dec 2024 618 57 0 0 F9,UA,WN
Nov 2024 615 100 6 0 UA,WN,F9
Oct 2024 697 80 0 0 UA,WN,F9
Sep 2024 633 100 0 1 WN,UA,F9
Aug 2024 606 134 3 2 F9,WN,UA
Jul 2024 631 188 17 3 F9,UA,WN
Jun 2024 647 207 4 2 F9,UA,WN
May 2024 804 219 11 1 F9,UA,WN
Apr 2024 785 175 2 0 F9,UA,WN
Mar 2024 771 199 24 0 F9,UA,WN
Feb 2024 688 145 4 3 F9,UA,WN
Jan 2024 697 139 29 0 F9,NK,WN,UA

LAS–DEN seasonal on-time pattern

Best: November (84.6%) · weakest: July (68.5%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 81.3%

Strongest calendar month

November

84.6% on-time · ~622 flights/mo

Busiest calendar month

March

~676 flights/mo avg

Weakest calendar month

July

68.5% on-time · ~611 flights/mo

Cancellation Rate

1.0%

157 of 15,467 flights

Diversion Rate

0.2%

30 of 15,467 flights

Explore origin & destination

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

LAS - Las Vegas

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

LAS on-time profile

DEN - Denver

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

DEN on-time profile

Compare the two airports

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

Compare LAS vs DEN

Origin-hub reliability standing

Mid-pack among LAS departures

From LAS, this corridor sits with 71 other 75–85% on-time routes out of 83 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 10 below 75%). Destination: Denver · fleet on-time rank #3918 of 4927.

What the Data Says About LAS to DEN

The Las Vegas to Denver corridor (LAS to DEN) posts a 77.7% on-time rate on the lower edge of the average band, based on 44,661 tracked flights. Late flights run 67.0 minutes behind on average. 27 carriers cover the 628-mile route; over the last 24 months, 157 of 15,467 flights were cancelled (1.0%) and 0.2% diverted.

The monthly split is wide on this route: Dec 2024 posted the strongest performance at 91% on-time, while Jul 2025 came in at just 65% - a 26-point swing worth factoring into travel timing.

On the multi-year calendar, LAS–DEN peaks in November at 84.6% on-time while March carries the heaviest traffic (~676 flights per month) ; the softest month is July at 68.5%, a 16.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LAS to DEN rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, LAS to DEN ranks #17 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 LAS to DEN? ▼
Flights from Las Vegas to Denver have a 77.7% on-time rate based on 44,661 flights. The average delay is 67.0 minutes. The best recent month was Dec 2024 with 91% on-time.
What is the cancellation rate for LAS to DEN? ▼
Over the last 24 months, 1.0% of flights on this route were cancelled (157 of 15,467 flights) and 0.2% were diverted.
How far is the flight from LAS to DEN? ▼
The flight distance from Las Vegas (LAS) to Denver (DEN) is approximately 628 miles. This route is served by 27 carriers.
When is the best time to fly from LAS to DEN? ▼
The best recent month for on-time performance was Dec 2024 (91% on-time). The worst was Jul 2025 (65% on-time). Consider booking during months with historically better performance.

Airports on this route

LAS Airport

Las Vegas
DEN Airport

Denver
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 LAS–DEN data

LAS–DEN is mid-pack at 77.7% on-time; month and carrier mix move more than the corridor headline.

  • Compare LAS and DEN airport profiles: delay causes and top routes differ even on the same corridor. LAS airport
  • If your dates flex, November (84.6% on-time) beats July (68.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.7% 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.