PlainFlights

Route · MCI → DEN · 2020–2025 BTS data

Kansas City to Denver

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MCI to DEN (Kansas City to Denver) ranks #270 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.4%
On-time
+1.4 pts
vs US avg
67 min
Delay when late
22,302
Flights
#270 of 4927
Corpus placement

Cancelled

1.0%

Best Month

Mar 2024 90%

Worst Month

Jun 2025 59%

Distance

533 mi

Carriers

23

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 337 91 3 0 WN,F9,UA,OO
Nov 2025 352 54 2 0 OO,UA,F9,WN
Oct 2025 393 104 0 1 OO,UA,WN,F9
Sep 2025 361 84 0 0 UA,WN,OO,F9
Aug 2025 369 125 1 4 OO,WN,F9,UA
Jul 2025 387 144 6 4 OO,UA,WN,F9
Jun 2025 379 155 1 2 OO,UA,WN,F9
May 2025 365 117 2 0 OO,UA,WN,F9
Apr 2025 332 94 4 1 F9,UA,WN
Mar 2025 321 53 4 0 OO,UA,WN,F9
Feb 2025 277 69 0 0 OO,UA,WN,F9
Jan 2025 296 51 20 0 UA,WN,F9
Dec 2024 334 37 0 0 F9,OO,UA,WN
Nov 2024 348 54 4 0 OO,UA,WN,F9
Oct 2024 369 48 0 0 UA,OO,WN,F9
Sep 2024 349 48 1 0 WN,UA,F9
Aug 2024 364 70 2 1 F9,WN,OO,UA
Jul 2024 371 82 4 2 F9,UA,WN
Jun 2024 377 97 0 1 F9,OO,UA,WN
May 2024 362 81 2 2 F9,OO,UA,WN
Apr 2024 347 79 1 0 F9,UA,WN
Mar 2024 362 36 8 0 F9,UA,WN
Feb 2024 333 54 2 2 F9,OO,UA,WN
Jan 2024 358 76 18 0 F9,WN,OO,UA

MCI–DEN seasonal on-time pattern

Best: March (86.4%) · weakest: June (72.0%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 80.1%

Strongest calendar month

March

86.4% on-time · ~305 flights/mo

Busiest calendar month

August

~348 flights/mo avg

Weakest calendar month

June

72.0% on-time · ~322 flights/mo

Cancellation Rate

1.0%

85 of 8,443 flights

Diversion Rate

0.2%

20 of 8,443 flights

Explore origin & destination

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

MCI - Kansas City

Full on-time, delay-cause, and seasonal performance for Kansas City, MO.

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

Compare MCI vs DEN

Origin-hub reliability standing

Mid-pack among MCI departures

From MCI, this corridor sits with 25 other 75–85% on-time routes out of 39 tracked departures, not the hub's reliability leaders (14 at ≥85%) and not the softest ( 0 below 75%). Destination: Denver · fleet on-time rank #2986 of 4927.

What the Data Says About MCI to DEN

22,302 tracked flights put the MCI to DEN pairing (Kansas City to Denver) at a 80.4% on-time rate, squarely in line with the wider network. Delays that do occur run 67.4 minutes on average. Across the 533-mile route and its 23 carriers, the trailing 24 months show 1.0% cancelled and 0.2% diverted (8,443 flights sampled).

The monthly split is wide on this route: Mar 2024 posted the strongest performance at 90% on-time, while Jun 2025 came in at just 59% - a 31-point swing worth factoring into travel timing.

On the multi-year calendar, MCI–DEN peaks in March at 86.4% on-time while August carries the heaviest traffic (~348 flights per month) ; the softest month is June at 72.0%, a 14.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MCI to DEN rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MCI to DEN ranks #270 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 MCI to DEN? ▼
Flights from Kansas City to Denver have a 80.4% on-time rate based on 22,302 flights. The average delay is 67.4 minutes. The best recent month was Mar 2024 with 90% on-time.
What is the cancellation rate for MCI to DEN? ▼
Over the last 24 months, 1.0% of flights on this route were cancelled (85 of 8,443 flights) and 0.2% were diverted.
How far is the flight from MCI to DEN? ▼
The flight distance from Kansas City (MCI) to Denver (DEN) is approximately 533 miles. This route is served by 23 carriers.
When is the best time to fly from MCI to DEN? ▼
The best recent month for on-time performance was Mar 2024 (90% on-time). The worst was Jun 2025 (59% on-time). Consider booking during months with historically better performance.

Airports on this route

MCI Airport

Kansas City
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 MCI–DEN data

MCI–DEN is mid-pack at 80.4% on-time; month and carrier mix move more than the corridor headline.

  • Compare MCI and DEN airport profiles: delay causes and top routes differ even on the same corridor. MCI airport
  • If your dates flex, March (86.4% on-time) beats June (72.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.4% 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.