PlainFlights

Route · MCI → MIA · 2020–2025 BTS data

Kansas City to Miami

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MCI to MIA (Kansas City to Miami) ranks #3384 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

85.8%
On-time
+6.8 pts
vs US avg
90 min
Delay when late
2,798
Flights
#3384 of 4927
Corpus placement

Cancelled

1.8%

Best Month

Mar 2025 89%

Worst Month

Jan 2024 62%

Distance

1,251 mi

Carriers

14

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 68 16 1 0 WN,AA,MQ
Nov 2025 46 6 1 1 MQ,AA,WN
Oct 2025 31 1 0 0 AA
Sep 2025 30 4 0 0 AA
Aug 2025 35 7 0 2 AA,WN
Jul 2025 52 14 0 0 AA,WN
Jun 2025 50 9 1 0 AA,WN
May 2025 36 5 0 0 AA,WN
Apr 2025 43 9 0 0 MQ,WN,AA
Mar 2025 95 10 2 1 AA,WN,MQ
Feb 2025 75 17 0 0 AA,WN,MQ
Jan 2025 70 11 5 0 AA,WN,MQ
Dec 2024 46 10 0 0 AA,MQ
Nov 2024 41 5 0 0 MQ,AA
Oct 2024 31 3 1 0 AA
Sep 2024 30 3 0 0 AA
Aug 2024 31 1 2 0 AA
Jul 2024 31 2 0 0 AA
Jun 2024 30 8 0 0 AA
May 2024 31 6 3 0 AA
Apr 2024 31 3 0 0 AA,WN
Mar 2024 35 7 1 1 AA,WN
Feb 2024 41 8 0 1 AA,MQ
Jan 2024 52 20 2 0 AA,MQ

MCI–MIA seasonal on-time pattern

Best: September (92.1%) · weakest: December (80.1%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 80.1%

Strongest calendar month

September

92.1% on-time · ~38 flights/mo

Busiest calendar month

February

~59 flights/mo avg

Weakest calendar month

December

80.1% on-time · ~48 flights/mo

Cancellation Rate

1.8%

19 of 1,061 flights

Diversion Rate

0.6%

6 of 1,061 flights

Origin-hub reliability standing

Among MCI's stronger departures

MCI → MIA posts a 85.8% on-time rate, landing in the ≥85% band with 14 of 39 BTS-tracked routes leaving Kansas City. The same hub also shows 25 mid-band and 0 challenged departures · fleet-wide on-time rank #961 of 4927 (highest on-time = #1).

What the Data Says About MCI to MIA

Kansas City to Miami (MCI to MIA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.8% on-time rate across 2,798 flights, with delays that do happen averaging 89.5 minutes. The corridor runs roughly 1,251 miles and is served by 14 carriers. Over the most recent 24 months, 19 of 1,061 flights were cancelled (1.8%) and 6 diverted (0.6%).

The monthly split is wide on this route: Mar 2025 posted the strongest performance at 89% on-time, while Jan 2024 came in at just 62% - a 28-point swing worth factoring into travel timing.

On the multi-year calendar, MCI–MIA peaks in September at 92.1% on-time while February carries the heaviest traffic (~59 flights per month) ; the softest month is December at 80.1%, a 12.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MCI to MIA rank among US routes by traffic?
According to PlainFlights' route traffic ranking, MCI to MIA ranks #3384 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 MIA?
Flights from Kansas City to Miami have a 85.8% on-time rate based on 2,798 flights. The average delay is 89.5 minutes. The best recent month was Mar 2025 with 89% on-time.
What is the cancellation rate for MCI to MIA?
Over the last 24 months, 1.8% of flights on this route were cancelled (19 of 1,061 flights) and 0.6% were diverted.
How far is the flight from MCI to MIA?
The flight distance from Kansas City (MCI) to Miami (MIA) is approximately 1,251 miles. This route is served by 14 carriers.
When is the best time to fly from MCI to MIA?
The best recent month for on-time performance was Mar 2025 (89% on-time). The worst was Jan 2024 (62% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

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

Using MCI–MIA data

MCI–MIA runs 6.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare MCI and MIA airport profiles: delay causes and top routes differ even on the same corridor. MCI airport
  • If your dates flex, September (92.1% on-time) beats December (80.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 85.8% 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.