Airport reliability
Milwaukee (MKE) on-time performance
How reliably flights leave Milwaukee, WI (MKE) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Milwaukee, WI29,572 departures in 12 months
- Departures on time
- 76.0% U.S. average 75.6%
- Cancelled
- 2.4% U.S. average 1.9%
- 60+ minutes late
- 7.9% U.S. average 8.1%
- Scheduled departures
- 29,572 12 months
What this means
MKE departures beat the U.S. average.
- 76.0% of the 29,572 scheduled departures from Milwaukee (MKE) arrived at their destination on time, about the same as the U.S. average of 75.6%.
- 2.4% of departures were cancelled (U.S. average 1.9%), and 7.9% arrived an hour or more late.
- Flights arriving at MKE were on time 72.2% of the time.
- Among airlines with at least 300 departures, Delta Air Lines was the most punctual from MKE (85.1%) and SkyWest Airlines the least (70.2%).
- Over the last 3 years, October was the most reliable month for departures from MKE (85.3% on time) and January the least reliable (72.8%).
- Cancellations peaked in January, when 4.3% of flights were cancelled.
- Flights scheduled to depart before 6 am were the most punctual (87.8% on time); flights scheduled to depart 7 pm to 8 pm were the least (59.9%).
Airlines at MKE
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Delta Air Lines | 85.1% | 1.8% | 4.9% | 85 min | 3,668 |
| Alaska Airlines | 80.2% | 0.4% | 2.9% | 38 min | 509 |
| Southwest Airlines | 78.8% | 0.9% | 5.2% | 54 min | 10,080 |
| Spirit Airlines | 78.0% | 7.3% | 6.1% | 66 min | 82 |
| United Airlines | 77.8% | 0.1% | 7.0% | 60 min | 686 |
| American Airlines | 74.8% | 2.5% | 8.6% | 113 min | 2,432 |
| Republic AirwaysSold as American Eagle, Delta Connection, United Express | 73.5% | 6.0% | 8.6% | 82 min | 2,407 |
| Frontier Airlines | 72.7% | 2.2% | 10.3% | 98 min | 319 |
| PSA AirlinesSold as American Eagle | 71.2% | 6.8% | 10.5% | 135 min | 1,321 |
| JetBlue Airways | 70.9% | 1.2% | 9.9% | 55 min | 172 |
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 70.2% | 3.0% | 12.3% | 94 min | 7,650 |
| Envoy AirSold as American Eagle | 69.9% | 4.5% | 8.9% | 67 min | 246 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time MKE average 76.0%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 87.8% | 2,419 |
| Departing 6 am to 7 am | 82.9% | 3,769 |
| Departing 7 am to 8 am | 83.1% | 2,733 |
| Departing 8 am to 9 am | 79.2% | 1,915 |
| Departing 9 am to 10 am | 81.9% | 1,175 |
| Departing 10 am to 11 am | 83.0% | 1,910 |
| Departing 11 am to noon | 76.2% | 1,716 |
| Departing noon to 1 pm | 74.3% | 2,148 |
| Departing 1 pm to 2 pm | 71.8% | 1,311 |
| Departing 2 pm to 3 pm | 75.5% | 1,654 |
| Departing 3 pm to 4 pm | 71.2% | 1,690 |
| Departing 4 pm to 5 pm | 67.6% | 1,664 |
| Departing 5 pm to 6 pm | 65.1% | 2,186 |
| Departing 6 pm to 7 pm | 64.1% | 2,041 |
| Departing 7 pm to 8 pm | 59.9% | 896 |
| Departing 8 pm to 9 pm | 61.6% | 315 |
| Departing 9 pm to 10 pm | Insufficient sample | 30 |
Best and worst months at MKE
Share of scheduled flights on time 12-month average 76.0%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 72.8% | 6,167 |
| February | 82.9% | 5,948 |
| March | 76.7% | 7,547 |
| April | 82.0% | 7,273 |
| May | 78.8% | 7,500 |
| June | 77.1% | 7,582 |
| July | 73.0% | 7,961 |
| August | 77.3% | 7,811 |
| September | 83.9% | 7,028 |
| October | 85.3% | 7,619 |
| November | 83.0% | 6,725 |
| December | 78.2% | 6,799 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 82.3% | 2,315 |
| Oct 2025 | 79.3% | 2,564 |
| Nov 2025 | 75.6% | 2,230 |
| Dec 2025 | 68.7% | 2,273 |
| Jan 2026 | 70.8% | 2,077 |
| Feb 2026 | 81.6% | 2,033 |
| Mar 2026 | 69.5% | 2,626 |
| Apr 2026 | 78.9% | 2,588 |
| May 2026 | 79.8% | 2,735 |
| Jun 2026 | 77.3% | 2,657 |
| Jul 2026 | 73.9% | 2,759 |
| Aug 2026 | 74.9% | 2,715 |
Busiest routes from MKE
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Chicago (ORD) | 65.4% | 4.4% | 4 | 5,344 |
| Denver (DEN) | 78.2% | 0.4% | 4 | 2,310 |
| Atlanta (ATL) | 86.4% | 2.0% | 2 | 2,264 |
| Minneapolis (MSP) | 82.2% | 0.9% | 2 | 1,619 |
| Detroit (DTW) | 78.4% | 1.4% | 4 | 1,488 |
| Phoenix (PHX) | 77.4% | 0.9% | 3 | 1,445 |
| Orlando (MCO) | 76.3% | 1.2% | 3 | 1,432 |
| Washington (DCA) | 69.4% | 4.1% | 3 | 1,345 |
| Dallas/Fort Worth (DFW) | 73.2% | 3.2% | 3 | 1,079 |
| Las Vegas (LAS) | 80.1% | 1.1% | 3 | 1,033 |
| Nashville (BNA) | 79.8% | 1.1% | 1 | 976 |
| Charlotte (CLT) | 76.9% | 1.7% | 2 | 953 |
| New York (LGA) | 74.7% | 7.5% | 1 | 868 |
| Newark (EWR) | 75.0% | 5.9% | 1 | 851 |
| Baltimore (BWI) | 82.7% | 1.6% | 1 | 827 |
| Boston (BOS) | 69.6% | 3.4% | 3 | 736 |
| St. Louis (STL) | 87.7% | 0.9% | 1 | 681 |
| Philadelphia (PHL) | 73.7% | 8.2% | 3 | 524 |
| Seattle (SEA) | 80.2% | 0.4% | 1 | 509 |
| Tampa (TPA) | 80.2% | 1.5% | 2 | 470 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Milwaukee, WI (MKE) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.