Kansas City International in April 2026

79.8%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 April 2026, reporting carriers scheduled 4,184 domestic departures from Kansas City International (MCI). 79.8% left less than 15 minutes late and 80.9% reached their destination on time; 1.0% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so MCI departures were 0.7 points above the national departure figure.

A year earlier, in April 2025, the airport had 3,969 departures with 82.8% leaving on time: a change of −3.0 points, with flights up 5%.

Flights arriving at MCI that month were on time 78.0% of the time (4,182 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 31% and national aviation system 19%.

On time 80.9%
Arrived 15+ minutes late 17.9%
Cancelled 1.0%
Diverted 0.2%

Every scheduled departure from MCI in April 2026, judged by arrival at the destination.

April 2026 against a year earlier, the airport's year and the nation

Measure	Apr 2026	Apr 2025	MCI, 12 months to Jul 2026	All reported flights, Apr 2026
Departed on time	79.8%	82.8%	77.8%	79.1%
Arrived on time	80.9%	80.7%	78.7%	78.9%
Cancelled	1.0%	0.8%	1.5%	0.9%
Average departure delay (late minutes only)	14.2 min	12.6 min	15.7 min	14.5 min
Scheduled departures a day	140	132	135	19,931
Scheduled departures	4,184	3,969	49,298	597,919

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,947	47%	80.1%	3.4 min	0.2%
DL Delta Air Lines	634	15%	86.9%	-8.2 min	1.9%
AA American Airlines	372	9%	81.7%	8.0 min	0.0%
UA United Airlines	292	7%	80.8%	5.7 min	1.0%
OO SkyWest Airlines	240	6%	80.4%	9.8 min	2.5%
MQ Envoy Air	213	5%	75.6%	6.0 min	2.8%
YX Republic Airline	152	4%	81.6%	12.9 min	0.7%
OH PSA Airlines	112	3%	74.1%	9.7 min	2.7%
AS Alaska Airlines	87	2%	87.4%	0.0 min	1.1%
NK Spirit Airlines	63	2%	73.0%	7.3 min	9.5%
F9 Frontier Airlines	38	1%	73.7%	4.0 min	0.0%
G4 Allegiant Air	34	1%	70.6%	7.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MCI–ORD	Kansas City to Chicago	406	70.4%	23.6 min	3.7%
MCI–DEN	Kansas City to Denver	338	79.3%	1.5 min	0.3%
MCI–ATL	Kansas City to Atlanta	265	86.8%	-7.3 min	2.3%
MCI–PHX	Kansas City to Phoenix	213	79.8%	8.0 min	0.5%
MCI–DFW	Kansas City to Dallas/Fort Worth	206	81.1%	3.7 min	0.5%
MCI–DAL	Kansas City to Dallas	180	86.1%	-1.3 min	0.6%
MCI–MDW	Kansas City to Chicago	172	82.6%	3.4 min	0.6%
MCI–LAS	Kansas City to Las Vegas	171	71.3%	7.3 min	1.8%
MCI–LGA	Kansas City to New York	165	76.4%	0.5 min	1.8%
MCI–DCA	Kansas City to Washington	163	77.9%	5.0 min	0.6%
MCI–MCO	Kansas City to Orlando	134	77.6%	7.4 min	2.2%
MCI–LAX	Kansas City to Los Angeles	127	81.1%	0.8 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), April 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2026	Minutes
Air carrier	30.9%	33.5%	16,010
Late-arriving aircraft	41.2%	40.4%	21,343
National Aviation System	19.4%	21.0%	10,042
Extreme weather	8.2%	5.0%	4,252
Security	0.2%	0.1%	94

51,741 delay minutes on 748 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 April 2026?

79.8% of 4,184 scheduled domestic departures left less than 15 minutes late, and 80.9% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 82.8% of 3,969 departures left on time and 0.8% were cancelled, against 79.8% and 1.0% in April 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2026; 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.