General Mitchell International in December 2024

79.7%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 December 2024, reporting carriers scheduled 2,205 domestic departures from General Mitchell International (MKE). 79.7% left less than 15 minutes late and 79.3% reached their destination on time; 0.4% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so MKE departures were 1.9 points above the national departure figure.

A year earlier, in December 2023, the airport had 2,321 departures with 84.9% leaving on time: a change of −5.2 points, with flights down 5%.

Flights arriving at MKE that month were on time 75.8% of the time (2,205 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 41%, late-arriving aircraft 34% and national aviation system 18%.

On time 79.3%
Arrived 15+ minutes late 20.0%
Cancelled 0.4%
Diverted 0.3%

Every scheduled departure from MKE in December 2024, judged by arrival at the destination.

December 2024 against a year earlier, the airport's year and the nation

Measure	Dec 2024	Dec 2023	MKE, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	79.7%	84.9%	77.6%	77.8%
Arrived on time	79.3%	86.6%	76.2%	78.1%
Cancelled	0.4%	0.2%	2.3%	0.7%
Average departure delay (late minutes only)	16.7 min	11.2 min	17.8 min	16.6 min
Scheduled departures a day	74	77	80	19,686
Scheduled departures	2,205	2,321	29,355	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	781	35%	84.1%	-1.1 min	0.1%
OO SkyWest Airlines	522	24%	74.3%	17.1 min	0.2%
DL Delta Air Lines	262	12%	82.8%	3.6 min	0.0%
AA American Airlines	220	10%	76.8%	15.5 min	1.8%
YX Republic Airline	145	7%	76.6%	2.8 min	0.7%
OH PSA Airlines	91	4%	71.4%	20.8 min	0.0%
9E Endeavor Air	54	2%	79.6%	2.6 min	0.0%
NK Spirit Airlines	33	1%	81.8%	3.0 min	0.0%
UA United Airlines	31	1%	77.4%	2.1 min	0.0%
AS Alaska Airlines	27	1%	81.5%	-2.8 min	0.0%
F9 Frontier Airlines	25	1%	76.0%	1.3 min	0.0%
MQ Envoy Air	14	1%	50.0%	16.5 min	7.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MKE–ORD	Milwaukee to Chicago	234	73.1%	18.8 min	0.0%
MKE–ATL	Milwaukee to Atlanta	196	80.6%	7.4 min	0.0%
MKE–DEN	Milwaukee to Denver	173	82.7%	-3.2 min	0.6%
MKE–PHX	Milwaukee to Phoenix	142	85.2%	6.3 min	0.0%
MKE–DTW	Milwaukee to Detroit	137	69.3%	19.9 min	0.0%
MKE–MSP	Milwaukee to Minneapolis	125	87.2%	-2.3 min	0.0%
MKE–MCO	Milwaukee to Orlando	122	79.5%	3.8 min	0.0%
MKE–DFW	Milwaukee to Dallas/Fort Worth	116	72.4%	15.8 min	3.4%
MKE–DCA	Milwaukee to Washington	107	85.0%	4.6 min	0.0%
MKE–LGA	Milwaukee to New York	95	71.6%	16.2 min	0.0%
MKE–CLT	Milwaukee to Charlotte	82	78.0%	12.1 min	0.0%
MKE–LAS	Milwaukee to Las Vegas	77	88.3%	-5.0 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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	41.3%	34.3%	14,443
Late-arriving aircraft	33.5%	40.2%	11,716
National Aviation System	17.6%	17.8%	6,162
Extreme weather	7.7%	7.5%	2,682
Security	0.0%	0.2%	0

35,003 delay minutes on 442 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 December 2024?

79.7% of 2,205 scheduled domestic departures left less than 15 minutes late, and 79.3% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 84.9% of 2,321 departures left on time and 0.2% were cancelled, against 79.7% and 0.4% in December 2024.

Provenance

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