Kansas City International in December 2024

81.6%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In December 2024, reporting carriers scheduled 3,962 domestic departures from Kansas City International (MCI). 81.6% left less than 15 minutes late and 84.5% reached their destination on time; 0.4% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so MCI departures were 3.8 points above the national departure figure.

A year earlier, in December 2023, the airport had 4,074 departures with 86.8% leaving on time: a change of −5.2 points, with flights down 3%.

Flights arriving at MCI that month were on time 79.6% of the time (3,958 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 30% and national aviation system 19%.

On time 84.5%
Arrived 15+ minutes late 14.9%
Cancelled 0.4%
Diverted 0.2%

Every scheduled departure from MCI in December 2024, judged by arrival at the destination.

December 2024 against a year earlier, the airport's year and the nation

Measure	Dec 2024	Dec 2023	MCI, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	81.6%	86.8%	77.8%	77.8%
Arrived on time	84.5%	84.3%	78.7%	78.1%
Cancelled	0.4%	0.5%	1.5%	0.7%
Average departure delay (late minutes only)	12.4 min	8.6 min	15.7 min	16.6 min
Scheduled departures a day	132	136	135	19,686
Scheduled departures	3,962	4,074	49,298	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,948	49%	84.1%	0.8 min	0.2%
DL Delta Air Lines	604	15%	89.6%	-6.5 min	0.0%
AA American Airlines	426	11%	81.2%	7.2 min	1.4%
UA United Airlines	239	6%	92.5%	-4.9 min	0.4%
YX Republic Airline	209	5%	85.6%	-6.2 min	1.0%
OO SkyWest Airlines	154	4%	81.2%	-0.5 min	0.0%
NK Spirit Airlines	118	3%	80.5%	-0.7 min	0.8%
OH PSA Airlines	85	2%	70.6%	27.1 min	0.0%
MQ Envoy Air	78	2%	74.4%	9.3 min	1.3%
AS Alaska Airlines	54	1%	88.9%	-11.2 min	0.0%
G4 Allegiant Air	20	1%	80.0%	33.3 min	0.0%
F9 Frontier Airlines	17	0%	88.2%	-6.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MCI–DEN	Kansas City to Denver	334	88.9%	-2.7 min	0.0%
MCI–ORD	Kansas City to Chicago	257	86.8%	-1.9 min	0.4%
MCI–ATL	Kansas City to Atlanta	251	85.3%	-0.8 min	0.0%
MCI–PHX	Kansas City to Phoenix	238	89.1%	-4.5 min	0.0%
MCI–DFW	Kansas City to Dallas/Fort Worth	211	76.3%	19.0 min	2.8%
MCI–DAL	Kansas City to Dallas	182	79.1%	8.3 min	0.5%
MCI–LAS	Kansas City to Las Vegas	174	89.1%	-7.1 min	0.0%
MCI–MDW	Kansas City to Chicago	171	87.7%	-4.0 min	1.2%
MCI–DCA	Kansas City to Washington	153	76.5%	2.5 min	0.7%
MCI–LGA	Kansas City to New York	144	85.4%	-3.2 min	0.0%
MCI–MCO	Kansas City to Orlando	135	78.5%	3.7 min	0.0%
MCI–CLT	Kansas City to Charlotte	131	84.0%	-0.6 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	29.6%	34.3%	11,733
Late-arriving aircraft	44.1%	40.2%	17,448
National Aviation System	18.6%	17.8%	7,374
Extreme weather	7.6%	7.5%	3,027
Security	0.1%	0.2%	24

39,606 delay minutes on 591 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left MCI on time in December 2024?

81.6% of 3,962 scheduled domestic departures left less than 15 minutes late, and 84.5% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 86.8% of 4,074 departures left on time and 0.5% were cancelled, against 81.6% and 0.4% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MCI · methodology · corrections.