Kansas City International in March 2025

81.8%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 March 2025, reporting carriers scheduled 4,033 domestic departures from Kansas City International (MCI). 81.8% left less than 15 minutes late and 80.9% reached their destination on time; 1.6% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so MCI departures were 1.9 points above the national departure figure.

A year earlier, in March 2024, the airport had 4,165 departures with 84.0% leaving on time: a change of −2.2 points, with flights down 3%.

Flights arriving at MCI that month were on time 79.2% of the time (4,030 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 28% and national aviation system 18%.

On time 80.9%
Arrived 15+ minutes late 17.3%
Cancelled 1.6%
Diverted 0.1%

Every scheduled departure from MCI in March 2025, judged by arrival at the destination.

March 2025 against a year earlier, the airport's year and the nation

Measure	Mar 2025	Mar 2024	MCI, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	81.8%	84.0%	77.8%	79.9%
Arrived on time	80.9%	84.7%	78.7%	79.3%
Cancelled	1.6%	0.6%	1.5%	1.2%
Average departure delay (late minutes only)	15.7 min	10.3 min	15.7 min	14.9 min
Scheduled departures a day	134	139	135	20,029
Scheduled departures	4,033	4,165	49,298	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,082	52%	81.1%	4.3 min	1.2%
DL Delta Air Lines	651	16%	87.1%	-1.9 min	0.2%
AA American Airlines	431	11%	78.9%	18.4 min	2.3%
UA United Airlines	276	7%	82.2%	8.4 min	1.4%
MQ Envoy Air	124	3%	71.0%	6.9 min	4.0%
YX Republic Airline	114	3%	83.3%	1.4 min	1.8%
NK Spirit Airlines	99	2%	78.8%	20.7 min	3.0%
OH PSA Airlines	88	2%	67.0%	31.5 min	9.1%
OO SkyWest Airlines	84	2%	70.2%	4.0 min	4.8%
AS Alaska Airlines	48	1%	81.3%	-0.3 min	2.1%
F9 Frontier Airlines	18	0%	61.1%	18.7 min	0.0%
G4 Allegiant Air	18	0%	66.7%	22.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MCI–DEN	Kansas City to Denver	321	82.2%	6.1 min	1.2%
MCI–ORD	Kansas City to Chicago	283	77.7%	14.3 min	1.8%
MCI–ATL	Kansas City to Atlanta	264	86.7%	1.0 min	0.0%
MCI–PHX	Kansas City to Phoenix	248	80.2%	4.8 min	0.8%
MCI–DFW	Kansas City to Dallas/Fort Worth	207	67.6%	30.9 min	6.3%
MCI–DAL	Kansas City to Dallas	183	82.0%	3.5 min	1.6%
MCI–MDW	Kansas City to Chicago	173	85.0%	2.6 min	2.9%
MCI–LAS	Kansas City to Las Vegas	170	76.5%	5.1 min	1.2%
MCI–MCO	Kansas City to Orlando	153	77.1%	6.8 min	2.0%
MCI–DCA	Kansas City to Washington	140	72.1%	21.4 min	6.4%
MCI–LGA	Kansas City to New York	140	77.1%	3.2 min	2.1%
MCI–CLT	Kansas City to Charlotte	121	82.6%	1.6 min	1.7%

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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	27.6%	33.0%	16,504
Late-arriving aircraft	41.8%	39.2%	25,051
National Aviation System	18.2%	21.9%	10,879
Extreme weather	12.5%	5.9%	7,460
Security	0.0%	0.1%	0

59,894 delay minutes on 699 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 March 2025?

81.8% of 4,033 scheduled domestic departures left less than 15 minutes late, and 80.9% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 84.0% of 4,165 departures left on time and 0.6% were cancelled, against 81.8% and 1.6% in March 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 2025; 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.