FlightRecord

General Mitchell International Airport (MKE): Delays & On-Time Performance

Data through July 2026

General Mitchell International Airport (MKE) is a tale of two seasons: departures ran 89% on-time in October 2024 but sank to 73% in December 2025. Across the year it averages 81% against a national 78%, over roughly 80 departures a day to 39 destinations.

Departures on-time
81%
left <15 min late
Avg dep delay
16 min
Arrivals on-time
76%
Cancelled
1.8%
Destinations
39
nonstop
Airlines
13

Plan your departure from MKE

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 5 a.m.
94% on-time
Best day to fly
Tuesday
83% on-time
Most reliable airline here
Delta Air Lines
87% on-time from MKE
Cancellation risk
1.8%
close to the US average

Monthly on-time trend

Monthly departure on-time percentage at MKE50%75%100%August 2024: 83% on-time (2,598 flights)83Aug 2024September 2024: 88% on-time (2,396 flights)88October 2024: 89% on-time (2,566 flights)89November 2024: 87% on-time (2,215 flights)87Nov 2024December 2024: 80% on-time (2,205 flights)80January 2025: 85% on-time (1,929 flights)85February 2025: 83% on-time (1,797 flights)83Feb 2025March 2025: 83% on-time (2,317 flights)83April 2025: 85% on-time (2,316 flights)85May 2025: 81% on-time (2,359 flights)81May 2025June 2025: 77% on-time (2,482 flights)77July 2025: 76% on-time (2,589 flights)76August 2025: 79% on-time (2,498 flights)79Aug 2025September 2025: 85% on-time (2,315 flights)85October 2025: 82% on-time (2,564 flights)82November 2025: 82% on-time (2,230 flights)82Nov 2025December 2025: 73% on-time (2,273 flights)73January 2026: 78% on-time (2,077 flights)78February 2026: 83% on-time (2,033 flights)83Feb 2026March 2026: 74% on-time (2,626 flights)74April 2026: 83% on-time (2,588 flights)83May 2026: 82% on-time (2,735 flights)82May 2026June 2026: 79% on-time (2,657 flights)79July 2026: 75% on-time (2,759 flights)75

Best time of day to depart from MKE

On-time percentage by scheduled departure hour at MKE5 a.m.: 94% on-time (4,402 flights)56 a.m.: 90% on-time (7,655 flights)67 a.m.: 88% on-time (5,574 flights)78 a.m.: 85% on-time (3,365 flights)89 a.m.: 86% on-time (2,325 flights)910 a.m.: 87% on-time (4,161 flights)1011 a.m.: 80% on-time (3,397 flights)1112 p.m.: 79% on-time (4,024 flights)121 p.m.: 79% on-time (3,010 flights)132 p.m.: 78% on-time (3,885 flights)143 p.m.: 76% on-time (3,373 flights)154 p.m.: 72% on-time (3,359 flights)165 p.m.: 71% on-time (4,658 flights)176 p.m.: 66% on-time (3,788 flights)187 p.m.: 67% on-time (1,949 flights)198 p.m.: 64% on-time (653 flights)209 p.m.: 71% on-time (126 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday79%19 min
Tuesdaybest83%15 min
Wednesday81%15 min
Thursday80%16 min
Friday79%17 min
Saturday81%15 min
Sunday77%20 min

Next: compare the busiest routes from MKE ↓

Busiest routes from MKE

Compare airlines departing MKE ↓

Where flights into MKE come from

RouteFlights/12moOn-timeAvg delay
ORD (Chicago) → MKE5,26867%30 min
DEN (Denver) → MKE2,31975%17 min
ATL (Atlanta) → MKE2,26482%11 min
MSP (Minneapolis) → MKE1,55982%14 min
DTW (Detroit) → MKE1,49878%18 min
PHX (Phoenix) → MKE1,45275%14 min
MCO (Orlando) → MKE1,42075%15 min
DCA (Washington) → MKE1,34777%18 min

Most reliable routes

  1. MKE → STL89%
  2. MKE → ATL88%
  3. MKE → SLC88%
  4. MKE → MCI86%
  5. MKE → BWI85%

Most delay-prone routes

  1. MKE → ORD71%
  2. MKE → MDW71%
  3. MKE → DFW73%
  4. MKE → SAN73%
  5. MKE → BOS74%

What causes delays at MKE

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing MKE.

  • Late-arriving aircraft31%
  • Airline operations42%
  • National airspace system21%
  • Weather6%

Alternative airports near Milwaukee

Other airports within 120 miles, compared on departure reliability.

Compare the airport-level record first, then check the exact route you plan to book.

Airline performance at MKE

AirlineOn-time departuresAvg delayFlights
Delta Air Lines87%12 min8,309
Spirit Airlines87%11 min979
Endeavor Air85%10 min408
Alaska Airlines85%7 min1,026
Envoy Air82%14 min329
Southwest Airlines82%11 min20,331
Republic Airways81%16 min4,574
PSA Airlines79%28 min2,364
SkyWest Airlines78%22 min13,613
United Airlines78%17 min1,351
American Airlines77%27 min5,320
Frontier Airlines74%23 min653
JetBlue Airways71%23 min480

Frequently asked questions

How often are flights delayed at MKE?
19% of departures from General Mitchell International Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 16 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from MKE?
Flights scheduled around 5 a.m. depart on time 94% of the time at MKE, versus 64% around 8 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at MKE?
In this dataset, December 2025 was the weakest month at MKE, with 73% of departures on time.
How often are flights cancelled at MKE?
1.8% of scheduled departures from MKE were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 59,737 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.