Kansas City International in September 2024

89.1%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 September 2024, reporting carriers scheduled 4,141 domestic departures from Kansas City International (MCI). 89.1% left less than 15 minutes late and 88.0% reached their destination on time; 0.2% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so MCI departures were 4.7 points above the national departure figure.

A year earlier, in September 2023, the airport had 4,104 departures with 81.7% leaving on time: a change of +7.4 points, with flights up 1%.

Flights arriving at MCI that month were on time 85.9% of the time (4,141 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 37% and national aviation system 19%.

On time 88.0%
Arrived 15+ minutes late 11.6%
Cancelled 0.2%
Diverted 0.1%

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

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

Measure	Sep 2024	Sep 2023	MCI, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	89.1%	81.7%	77.8%	84.4%
Arrived on time	88.0%	82.2%	78.7%	83.9%
Cancelled	0.2%	1.1%	1.5%	0.6%
Average departure delay (late minutes only)	7.4 min	13.1 min	15.7 min	10.6 min
Scheduled departures a day	138	137	135	19,421
Scheduled departures	4,141	4,104	49,298	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,948	47%	88.1%	-1.4 min	0.2%
DL Delta Air Lines	699	17%	90.4%	-4.6 min	0.0%
AA American Airlines	491	12%	83.5%	6.4 min	0.2%
UA United Airlines	335	8%	92.5%	-5.8 min	0.6%
NK Spirit Airlines	187	5%	86.1%	-5.7 min	1.1%
YX Republic Airline	144	3%	85.4%	-1.8 min	0.0%
MQ Envoy Air	114	3%	88.6%	-6.5 min	0.0%
AS Alaska Airlines	77	2%	84.4%	-5.7 min	0.0%
9E Endeavor Air	73	2%	91.8%	-6.4 min	0.0%
OO SkyWest Airlines	43	1%	86.0%	-3.8 min	0.0%
F9 Frontier Airlines	30	1%	76.7%	15.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MCI–DEN	Kansas City to Denver	349	86.0%	1.4 min	0.3%
MCI–ORD	Kansas City to Chicago	272	91.9%	-8.4 min	0.0%
MCI–ATL	Kansas City to Atlanta	267	88.8%	-0.9 min	0.0%
MCI–DFW	Kansas City to Dallas/Fort Worth	214	84.1%	1.1 min	0.0%
MCI–MDW	Kansas City to Chicago	191	94.8%	-4.2 min	0.0%
MCI–PHX	Kansas City to Phoenix	183	88.5%	-2.5 min	0.0%
MCI–LAS	Kansas City to Las Vegas	169	82.8%	-0.4 min	0.0%
MCI–DAL	Kansas City to Dallas	157	89.8%	0.1 min	0.6%
MCI–LGA	Kansas City to New York	147	93.2%	-8.8 min	0.0%
MCI–DCA	Kansas City to Washington	138	87.7%	-0.4 min	0.0%
MCI–MCO	Kansas City to Orlando	127	90.6%	-6.6 min	0.0%
MCI–CLT	Kansas City to Charlotte	125	79.2%	12.9 min	0.8%

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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	37.2%	38.6%	9,863
Late-arriving aircraft	40.6%	38.4%	10,778
National Aviation System	18.8%	18.2%	4,996
Extreme weather	3.3%	4.8%	884
Security	0.1%	0.1%	22

26,543 delay minutes on 481 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 September 2024?

89.1% of 4,141 scheduled domestic departures left less than 15 minutes late, and 88.0% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 81.7% of 4,104 departures left on time and 1.1% were cancelled, against 89.1% and 0.2% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 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.