General Mitchell International in December 2023

84.9%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 2023, reporting carriers scheduled 2,321 domestic departures from General Mitchell International (MKE). 84.9% left less than 15 minutes late and 86.6% reached their destination on time; 0.2% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so MKE departures were 1.8 points above the national departure figure.

Flights arriving at MKE that month were on time 82.8% of the time (2,320 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, late-arriving aircraft 37% and national aviation system 17%.

On time 86.6%
Arrived 15+ minutes late 13.1%
Cancelled 0.2%
Diverted 0.1%

Every scheduled departure from MKE in December 2023, judged by arrival at the destination.

December 2023 against a year earlier, the airport's year and the nation

Measure	Dec 2023	Year earlier	MKE, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	84.9%	—	77.6%	83.1%
Arrived on time	86.6%	—	76.2%	83.8%
Cancelled	0.2%	—	2.3%	0.4%
Average departure delay (late minutes only)	11.2 min	—	17.8 min	11.6 min
Scheduled departures a day	77	—	80	19,013
Scheduled departures	2,321	—	29,355	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	850	37%	85.4%	-3.9 min	0.1%
OO SkyWest Airlines	363	16%	87.9%	-4.6 min	0.3%
DL Delta Air Lines	357	15%	94.7%	-11.6 min	0.0%
AA American Airlines	229	10%	77.7%	18.7 min	0.4%
YX Republic Airline	135	6%	91.9%	-13.5 min	1.5%
F9 Frontier Airlines	83	4%	71.1%	24.2 min	0.0%
B6 JetBlue Airways	62	3%	88.7%	-2.5 min	0.0%
NK Spirit Airlines	60	3%	88.3%	-12.7 min	0.0%
OH PSA Airlines	57	2%	73.7%	14.8 min	0.0%
UA United Airlines	52	2%	94.2%	-15.7 min	0.0%
9E Endeavor Air	46	2%	84.8%	14.4 min	0.0%
AS Alaska Airlines	27	1%	100.0%	-23.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MKE–DEN	Milwaukee to Denver	251	94.4%	-15.2 min	0.0%
MKE–ATL	Milwaukee to Atlanta	214	92.5%	-9.9 min	0.0%
MKE–ORD	Milwaukee to Chicago	170	82.9%	-0.2 min	0.0%
MKE–MCO	Milwaukee to Orlando	155	80.6%	10.0 min	0.0%
MKE–LAS	Milwaukee to Las Vegas	126	88.9%	-14.7 min	0.0%
MKE–MSP	Milwaukee to Minneapolis	120	94.2%	-12.4 min	0.0%
MKE–DTW	Milwaukee to Detroit	118	91.5%	-4.4 min	0.0%
MKE–DCA	Milwaukee to Washington	106	68.9%	13.2 min	0.9%
MKE–PHX	Milwaukee to Phoenix	104	88.5%	9.2 min	0.0%
MKE–LGA	Milwaukee to New York	94	89.4%	2.6 min	2.1%
MKE–DFW	Milwaukee to Dallas/Fort Worth	90	82.2%	4.8 min	0.0%
MKE–CLT	Milwaukee to Charlotte	83	74.7%	22.5 min	1.2%

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 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	45.6%	37.1%	9,986
Late-arriving aircraft	37.0%	38.8%	8,106
National Aviation System	16.5%	17.6%	3,623
Extreme weather	0.7%	6.2%	155
Security	0.1%	0.3%	25

21,895 delay minutes on 304 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 2023?

84.9% of 2,321 scheduled domestic departures left less than 15 minutes late, and 86.6% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2023; 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.