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Airport · 12 months to July 2026
General Mitchell International: delays and on-time record
Milwaukee, Wisconsin
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. Data through July 2026; this is a monthly history, not live airport status.
General Mitchell International (MKE) in Milwaukee, Wisconsin had 29,355 scheduled domestic departures by reporting carriers in the 12 months to July 2026, about 80 a day, on 35 routes.
77.6% of those flights left the gate less than 15 minutes late, 1.5 points above the national departure figure of 76.1%. Flights arriving at MKE were on time 72.5% of the time, 3.5 points below the national arrival figure of 76.0%.
2.3% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 17.8 min.
Southwest Airlines is the largest reporting carrier at MKE with 34% of departures. Among carriers with at least 294 departures, Delta Air Lines had the highest on-time arrival share for its MKE departures (84.8%) and SkyWest Airlines the lowest (69.7%).
On-time departures are down 4.3 points on the previous 12 months (81.9%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving MKE, air carrier 44%, late-arriving aircraft 28% and national aviation system 21%.
- On time 76.2%
- Arrived 15+ minutes late 21.2%
- Cancelled 2.3%
- Diverted 0.2%
As origin and as destination, against the nation
| Measure | Departures from MKE | Arrivals at MKE | All reported flights | MKE departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 77.6% | 71.9% | 76.1% | 81.9% |
| Arrived on time | 76.2% | 72.5% | 76.0% | 81.0% |
| Cancelled | 2.3% | 2.4% | 1.8% | 1.2% |
| Diverted | 0.2% | 0.3% | 0.3% | 0.2% |
| Average departure delay (late minutes only) | 17.8 min | 19.1 min | 17.4 min | 14.5 min |
| Arrival delay minutes per 100 flights | 1,810 | 1,820 | 1,684 | 1,454 |
| Scheduled flights | 29,355 | 29,361 | 7,043,858 | 27,769 |
12 months to July 2026. The first column follows flights that left MKE; the second follows flights that landed there. Year on year, on-time departures moved −4.3 pts.
Airlines at MKE
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 9,991 | 34% | 79.5% | 3.4 min | 0.9% |
| OO SkyWest Airlines | 7,436 | 25% | 69.7% | 18.6 min | 3.2% |
| DL Delta Air Lines | 3,707 | 13% | 84.8% | -1.8 min | 1.8% |
| YX Republic Airline | 2,405 | 8% | 73.6% | 5.8 min | 5.4% |
| AA American Airlines | 2,397 | 8% | 74.1% | 18.7 min | 2.7% |
| OH PSA Airlines | 1,322 | 5% | 73.8% | 17.0 min | 5.2% |
| UA United Airlines | 736 | 3% | 76.9% | 8.4 min | 0.1% |
| AS Alaska Airlines | 509 | 2% | 79.8% | 0.1 min | 0.4% |
| F9 Frontier Airlines | 317 | 1% | 71.3% | 13.6 min | 2.2% |
| MQ Envoy Air | 219 | 1% | 70.3% | 6.1 min | 4.1% |
| B6 JetBlue Airways | 172 | 1% | 68.6% | 9.7 min | 0.0% |
| NK Spirit Airlines | 144 | 0% | 79.9% | -2.1 min | 4.9% |
Departures from MKE by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 76.2%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from MKE
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MKE–ORD | Milwaukee to Chicago | 5,268 | 65.4% | 21.9 min | 4.5% |
| MKE–DEN | Milwaukee to Denver | 2,322 | 78.4% | 5.5 min | 0.4% |
| MKE–ATL | Milwaukee to Atlanta | 2,264 | 86.4% | -5.1 min | 2.0% |
| MKE–MSP | Milwaukee to Minneapolis | 1,559 | 81.0% | 6.5 min | 1.0% |
| MKE–DTW | Milwaukee to Detroit | 1,498 | 78.3% | 12.9 min | 1.4% |
| MKE–PHX | Milwaukee to Phoenix | 1,453 | 78.0% | 8.9 min | 0.9% |
| MKE–MCO | Milwaukee to Orlando | 1,420 | 76.5% | 7.0 min | 1.2% |
| MKE–DCA | Milwaukee to Washington | 1,346 | 71.4% | 17.2 min | 3.4% |
| MKE–DFW | Milwaukee to Dallas/Fort Worth | 1,084 | 71.1% | 20.7 min | 3.6% |
| MKE–LAS | Milwaukee to Las Vegas | 1,049 | 80.9% | 1.0 min | 1.0% |
| MKE–BNA | Milwaukee to Nashville | 971 | 80.4% | 3.7 min | 1.3% |
| MKE–CLT | Milwaukee to Charlotte | 959 | 78.1% | 14.7 min | 1.7% |
| MKE–EWR | Milwaukee to Newark | 850 | 74.1% | 6.4 min | 4.9% |
| MKE–LGA | Milwaukee to New York | 841 | 75.9% | 3.9 min | 6.8% |
| MKE–BWI | Milwaukee to Baltimore | 826 | 83.8% | 2.4 min | 1.2% |
| MKE–BOS | Milwaukee to Boston | 740 | 69.7% | 7.5 min | 3.1% |
| MKE–STL | Milwaukee to St. Louis | 684 | 87.7% | -4.0 min | 0.9% |
| MKE–SEA | Milwaukee to Seattle | 509 | 79.8% | 0.1 min | 0.4% |
| MKE–PHL | Milwaukee to Philadelphia | 502 | 75.3% | 8.4 min | 5.8% |
| MKE–TPA | Milwaukee to Tampa | 471 | 80.7% | 2.1 min | 1.5% |
| MKE–DAL | Milwaukee to Dallas | 400 | 79.8% | 1.5 min | 0.0% |
| MKE–RSW | Milwaukee to Fort Myers | 379 | 78.9% | 4.7 min | 0.8% |
| MKE–SLC | Milwaukee to Salt Lake City | 363 | 82.4% | 4.6 min | 0.8% |
| MKE–MCI | Milwaukee to Kansas City | 349 | 86.0% | -0.1 min | 0.9% |
| MKE–MDW | Milwaukee to Chicago | 298 | 69.5% | 5.5 min | 1.7% |
| MKE–AUS | Milwaukee to Austin | 278 | 79.1% | 1.1 min | 0.7% |
| MKE–IAH | Milwaukee to Houston | 238 | 80.7% | 2.8 min | 0.0% |
| MKE–SAN | Milwaukee to San Diego | 193 | 71.5% | 6.8 min | 0.0% |
| MKE–MIA | Milwaukee to Miami | 131 | 74.8% | -1.1 min | 1.5% |
The 29 busiest of 35 routes with reported flights. Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 587 departures, 5 am to 6 am had the highest on-time share (92.3% of 2,436 flights) and 6 pm to 7 pm the lowest (60.5% of 1,956).
Delay causes
Cancellations by reported reason (677 in the period): air carrier 20%, weather 65%, national aviation system 15%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for MKE on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave MKE on time?
77.6% of the 29,355 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 2.3% were cancelled.
How often do flights arrive at MKE on time?
72.5% of 29,361 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at MKE?
Counting departures from MKE and whether they reached their destination on time, Delta Air Lines had the highest share (84.8% of 3,707 flights), then Alaska Airlines (79.8%) and Southwest Airlines (79.5%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at MKE?
For departures from MKE that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: air carrier 44%, late-arriving aircraft 28%, national aviation system 21%, extreme weather 8%, security 0%.
What time of day has the highest on-time share at MKE?
Departures scheduled from 5 am to 6 am local time left on time 92.3% of the time, the highest of any hour with enough flights to compare; 6 pm to 7 pm was lowest at 60.5%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 77.6%, down 4.3 points on the previous 12 months (81.9%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at MKE?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.