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Route · DEN → COS · 2020–2025 BTS data

Denver to Colorado Springs

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to COS (Denver to Colorado Springs) ranks #256 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

75.9%
On-time
-3.1 pts
vs US avg
71 min
Delay when late
22,901
Flights
#256 of 4927
Corpus placement

Cancelled

1.5%

Best Month

Oct 2024 89%

Worst Month

Jul 2025 60%

Distance

73 mi

Carriers

13

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 441 105 5 0 WN,UA,OO
Nov 2025 426 53 34 0 OO,UA,WN
Oct 2025 450 83 0 0 OO,UA,WN
Sep 2025 443 93 0 0 UA,WN,OO
Aug 2025 466 166 5 0 OO,WN,UA
Jul 2025 466 186 17 2 OO,UA,WN
Jun 2025 456 181 6 2 OO,UA,WN
May 2025 456 141 4 1 OO,UA,WN
Apr 2025 430 119 2 1 OO,UA,WN
Mar 2025 439 69 4 0 OO,UA,WN
Feb 2025 396 103 5 0 OO,UA,WN
Jan 2025 436 148 2 1 OO,UA,WN
Dec 2024 424 60 0 1 OO,UA,WN
Nov 2024 407 83 20 0 OO,UA,WN
Oct 2024 464 52 1 4 UA,OO,WN
Sep 2024 429 73 0 0 WN,OO,UA
Aug 2024 432 123 3 1 WN,OO,UA
Jul 2024 435 103 3 1 OO,UA,WN
Jun 2024 454 120 6 1 OO,UA,WN
May 2024 447 115 2 0 OO,UA,WN
Apr 2024 414 89 5 0 OO,UA,WN
Mar 2024 391 76 14 0 OO,UA,WN
Feb 2024 344 79 10 0 OO,UA,WN
Jan 2024 364 86 4 0 WN,OO,UA

DEN–COS seasonal on-time pattern

Best: November (82.7%) · weakest: July (66.9%)

65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 77.9%

Strongest calendar month

November

82.7% on-time · ~318 flights/mo

Busiest calendar month

October

~345 flights/mo avg

Weakest calendar month

July

66.9% on-time · ~332 flights/mo

Cancellation Rate

1.5%

152 of 10,310 flights

Diversion Rate

0.1%

15 of 10,310 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

COS - Colorado Springs

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

COS on-time profile

Compare the two airports

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

Compare DEN vs COS

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: Colorado Springs · fleet on-time rank #4318 of 4927.

What the Data Says About DEN to COS

The Denver to Colorado Springs corridor (DEN to COS) posts a 75.9% on-time rate on the lower edge of the average band, based on 22,901 tracked flights. Late flights run 70.6 minutes behind on average. 13 carriers cover the 73-mile route; over the last 24 months, 152 of 10,310 flights were cancelled (1.5%) and 0.1% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 89% on-time, while Jul 2025 came in at just 60% - a 29-point swing worth factoring into travel timing.

On the multi-year calendar, DEN–COS peaks in November at 82.7% on-time while October carries the heaviest traffic (~345 flights per month) ; the softest month is July at 66.9%, a 15.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DEN to COS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DEN to COS ranks #256 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 COS? ▼
Flights from Denver to Colorado Springs have a 75.9% on-time rate based on 22,901 flights. The average delay is 70.6 minutes. The best recent month was Oct 2024 with 89% on-time.
What is the cancellation rate for DEN to COS? ▼
Over the last 24 months, 1.5% of flights on this route were cancelled (152 of 10,310 flights) and 0.1% were diverted.
How far is the flight from DEN to COS? ▼
The flight distance from Denver (DEN) to Colorado Springs (COS) is approximately 73 miles. This route is served by 13 carriers.
When is the best time to fly from DEN to COS? ▼
The best recent month for on-time performance was Oct 2024 (89% on-time). The worst was Jul 2025 (60% on-time). Consider booking during months with historically better performance.

Airports on this route

DEN Airport

Denver
COS Airport

Colorado Springs
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–COS data

DEN–COS is mid-pack at 75.9% on-time; month and carrier mix move more than the corridor headline.

  • Compare DEN and COS airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
  • If your dates flex, November (82.7% on-time) beats July (66.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 75.9% 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.