Kansas City International in March 2026

73.6%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 March 2026, reporting carriers scheduled 4,227 domestic departures from Kansas City International (MCI). 73.6% left less than 15 minutes late and 76.3% reached their destination on time; 3.4% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so MCI departures were 0.8 points above the national departure figure.

A year earlier, in March 2025, the airport had 4,033 departures with 81.8% leaving on time: a change of −8.2 points, with flights up 5%.

Flights arriving at MCI that month were on time 69.5% of the time (4,230 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 50%, air carrier 24% and national aviation system 23%.

On time 76.3%
Arrived 15+ minutes late 19.9%
Cancelled 3.4%
Diverted 0.4%

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

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

Measure	Mar 2026	Mar 2025	MCI, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	73.6%	81.8%	77.8%	72.8%
Arrived on time	76.3%	80.9%	78.7%	73.2%
Cancelled	3.4%	1.6%	1.5%	2.9%
Average departure delay (late minutes only)	18.6 min	15.7 min	15.7 min	20.3 min
Scheduled departures a day	141	134	135	20,403
Scheduled departures	4,227	4,033	49,298	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,054	49%	75.7%	6.3 min	2.2%
DL Delta Air Lines	628	15%	81.2%	-3.1 min	5.1%
AA American Airlines	356	8%	79.8%	6.4 min	1.7%
UA United Airlines	264	6%	76.5%	9.3 min	1.9%
MQ Envoy Air	245	6%	77.1%	4.2 min	4.1%
OO SkyWest Airlines	186	4%	71.0%	9.3 min	8.6%
YX Republic Airline	171	4%	78.4%	17.4 min	1.8%
OH PSA Airlines	93	2%	57.0%	26.3 min	11.8%
NK Spirit Airlines	86	2%	61.6%	5.9 min	14.0%
AS Alaska Airlines	68	2%	91.2%	0.5 min	0.0%
F9 Frontier Airlines	55	1%	70.9%	28.1 min	3.6%
G4 Allegiant Air	21	0%	61.9%	21.6 min	4.8%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MCI–ORD	Kansas City to Chicago	377	67.9%	22.0 min	6.9%
MCI–DEN	Kansas City to Denver	339	77.0%	11.5 min	1.2%
MCI–PHX	Kansas City to Phoenix	272	83.8%	-1.7 min	0.7%
MCI–ATL	Kansas City to Atlanta	255	76.9%	4.5 min	4.7%
MCI–DFW	Kansas City to Dallas/Fort Worth	208	80.3%	3.3 min	0.5%
MCI–DAL	Kansas City to Dallas	184	77.7%	3.0 min	0.5%
MCI–LAS	Kansas City to Las Vegas	184	84.2%	-3.2 min	1.6%
MCI–MDW	Kansas City to Chicago	174	73.0%	9.5 min	4.0%
MCI–LGA	Kansas City to New York	169	60.4%	16.0 min	12.4%
MCI–DCA	Kansas City to Washington	165	63.0%	24.7 min	4.8%
MCI–MCO	Kansas City to Orlando	157	68.2%	10.6 min	5.1%
MCI–DTW	Kansas City to Detroit	119	85.7%	-8.7 min	3.4%

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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	24.1%	33.5%	15,316
Late-arriving aircraft	49.6%	39.3%	31,515
National Aviation System	22.5%	21.0%	14,290
Extreme weather	3.3%	5.9%	2,074
Security	0.5%	0.2%	296

63,491 delay minutes on 842 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 2026?

73.6% of 4,227 scheduled domestic departures left less than 15 minutes late, and 76.3% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 81.8% of 4,033 departures left on time and 1.6% were cancelled, against 73.6% and 3.4% in March 2026.

Provenance

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