General Mitchell International in September 2024

87.6%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 September 2024, reporting carriers scheduled 2,396 domestic departures from General Mitchell International (MKE). 87.6% left less than 15 minutes late and 86.4% 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 MKE departures were 3.2 points above the national departure figure.

A year earlier, in September 2023, the airport had 2,317 departures with 83.9% leaving on time: a change of +3.7 points, with flights up 3%.

Flights arriving at MKE that month were on time 85.4% of the time (2,395 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 56%, late-arriving aircraft 24% and national aviation system 18%.

On time 86.4%
Arrived 15+ minutes late 13.4%
Cancelled 0.2%
Diverted 0.1%

Every scheduled departure from MKE 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	MKE, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	87.6%	83.9%	77.6%	84.4%
Arrived on time	86.4%	83.0%	76.2%	83.9%
Cancelled	0.2%	1.4%	2.3%	0.6%
Average departure delay (late minutes only)	9.7 min	12.6 min	17.8 min	10.6 min
Scheduled departures a day	80	77	80	19,421
Scheduled departures	2,396	2,317	29,355	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	745	31%	89.1%	-5.1 min	0.3%
OO SkyWest Airlines	531	22%	84.6%	2.9 min	0.0%
DL Delta Air Lines	375	16%	90.1%	-7.1 min	0.3%
AA American Airlines	261	11%	78.9%	15.4 min	0.4%
YX Republic Airline	141	6%	91.5%	-7.7 min	0.0%
9E Endeavor Air	62	3%	85.5%	-5.0 min	0.0%
UA United Airlines	60	3%	78.3%	8.2 min	0.0%
OH PSA Airlines	56	2%	82.1%	-2.6 min	0.0%
NK Spirit Airlines	53	2%	88.7%	-5.8 min	0.0%
AS Alaska Airlines	48	2%	85.4%	-0.4 min	0.0%
B6 JetBlue Airways	46	2%	71.7%	10.2 min	0.0%
F9 Frontier Airlines	18	1%	94.4%	-11.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MKE–ORD	Milwaukee to Chicago	240	80.0%	5.6 min	0.0%
MKE–DEN	Milwaukee to Denver	236	89.4%	-3.7 min	0.0%
MKE–ATL	Milwaukee to Atlanta	214	91.6%	-9.1 min	0.0%
MKE–DTW	Milwaukee to Detroit	133	85.0%	6.7 min	0.8%
MKE–DFW	Milwaukee to Dallas/Fort Worth	132	79.5%	3.9 min	0.0%
MKE–MSP	Milwaukee to Minneapolis	129	79.8%	3.3 min	0.0%
MKE–DCA	Milwaukee to Washington	112	85.7%	-4.7 min	0.0%
MKE–LGA	Milwaukee to New York	111	92.8%	-7.4 min	0.0%
MKE–PHX	Milwaukee to Phoenix	110	86.4%	-0.9 min	0.0%
MKE–LAS	Milwaukee to Las Vegas	103	87.4%	-3.1 min	0.0%
MKE–BWI	Milwaukee to Baltimore	95	91.6%	-6.4 min	1.1%
MKE–MCO	Milwaukee to Orlando	94	85.1%	-3.5 min	0.0%

By scheduled departure hour

100

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	55.6%	38.6%	12,097
Late-arriving aircraft	23.6%	38.4%	5,145
National Aviation System	18.4%	18.2%	4,001
Extreme weather	2.4%	4.8%	518
Security	0.0%	0.1%	0

21,761 delay minutes on 320 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 MKE on time in September 2024?

87.6% of 2,396 scheduled domestic departures left less than 15 minutes late, and 86.4% 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, 83.9% of 2,317 departures left on time and 1.4% were cancelled, against 87.6% 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 MKE · methodology · corrections.