Kansas City International in July 2025

74.0%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 July 2025, reporting carriers scheduled 4,442 domestic departures from Kansas City International (MCI). 74.0% left less than 15 minutes late and 71.4% reached their destination on time; 2.0% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so MCI departures were 4.3 points above the national departure figure.

A year earlier, in July 2024, the airport had 4,593 departures with 73.4% leaving on time: a change of +0.6 points, with flights down 3%.

Flights arriving at MCI that month were on time 67.0% of the time (4,441 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 48%, air carrier 24% and national aviation system 23%.

On time 71.4%
Arrived 15+ minutes late 26.1%
Cancelled 2.0%
Diverted 0.6%

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

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

Measure	Jul 2025	Jul 2024	MCI, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	74.0%	73.4%	77.8%	69.7%
Arrived on time	71.4%	73.0%	78.7%	69.0%
Cancelled	2.0%	2.6%	1.5%	2.5%
Average departure delay (late minutes only)	21.1 min	20.1 min	15.7 min	24.3 min
Scheduled departures a day	148	153	135	21,048
Scheduled departures	4,442	4,593	49,298	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,150	48%	70.5%	15.6 min	1.3%
DL Delta Air Lines	732	16%	83.2%	4.5 min	1.4%
AA American Airlines	515	12%	64.3%	27.5 min	3.9%
UA United Airlines	299	7%	68.6%	18.4 min	1.7%
OH PSA Airlines	163	4%	54.6%	48.1 min	7.4%
YX Republic Airline	118	3%	68.6%	15.9 min	5.9%
NK Spirit Airlines	114	3%	78.9%	10.8 min	0.9%
OO SkyWest Airlines	109	2%	82.6%	4.0 min	0.9%
MQ Envoy Air	93	2%	63.4%	15.7 min	4.3%
AS Alaska Airlines	88	2%	75.0%	12.6 min	0.0%
G4 Allegiant Air	40	1%	67.5%	25.2 min	0.0%
F9 Frontier Airlines	21	0%	33.3%	55.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MCI–DEN	Kansas City to Denver	387	60.2%	29.1 min	1.6%
MCI–ORD	Kansas City to Chicago	342	62.6%	23.2 min	4.4%
MCI–ATL	Kansas City to Atlanta	302	81.1%	2.8 min	0.7%
MCI–DFW	Kansas City to Dallas/Fort Worth	240	55.4%	31.6 min	4.2%
MCI–MDW	Kansas City to Chicago	203	69.5%	15.7 min	2.0%
MCI–PHX	Kansas City to Phoenix	181	75.7%	9.2 min	1.7%
MCI–DAL	Kansas City to Dallas	166	72.3%	15.3 min	1.8%
MCI–DCA	Kansas City to Washington	166	59.6%	42.2 min	5.4%
MCI–LAS	Kansas City to Las Vegas	159	79.2%	7.7 min	0.0%
MCI–LGA	Kansas City to New York	147	67.3%	17.8 min	7.5%
MCI–MCO	Kansas City to Orlando	135	68.1%	20.3 min	0.0%
MCI–BNA	Kansas City to Nashville	128	77.3%	6.1 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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	23.9%	31.1%	21,890
Late-arriving aircraft	48.0%	40.8%	43,997
National Aviation System	22.5%	20.7%	20,603
Extreme weather	5.6%	7.3%	5,158
Security	0.1%	0.1%	78

91,726 delay minutes on 1,158 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 July 2025?

74.0% of 4,442 scheduled domestic departures left less than 15 minutes late, and 71.4% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 73.4% of 4,593 departures left on time and 2.6% were cancelled, against 74.0% and 2.0% in July 2025.

Provenance

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