Chicago (ORD) to Milwaukee (MKE): On-Time Performance
Data through July 2026
Chicago (ORD) to Milwaukee (MKE) has an unusually high scrub rate — 3.4% of scheduled departures never left the gate, a cancellation rate several times the national figure. When flights do go, 67% land on time, below the national average of 78%. Republic Airways has been the safer pick, arriving on time 84% of the time.
- On-time
- 67%
- arrived <15 min late
- Avg delay
- 30 min
- completed flights
- Cancelled
- 3.4%
- Flights/day
- 14
- last 12 months
- Duration
- 1h 1m
- scheduled
- Distance
- 67 mi
Best airline from ORD to MKE
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 84% | 11 min | 3.3% | 269 |
| SkyWest Airlines | 66% | 31 min | 3.3% | 8,444 |
| Envoy Air | 63% | 26 min | 4.6% | 131 |
Monthly on-time trend
Best time to fly from ORD to MKE
Aim for departures around 7 a.m. (80% on-time); avoid 10 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 65% | 33 min |
| Tuesdaybest | 74% | 24 min |
| Wednesday | 70% | 23 min |
| Thursday | 66% | 30 min |
| Friday | 62% | 35 min |
| Saturday | 70% | 26 min |
| Sunday | 61% | 38 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft28%
- Airline operations42%
- National airspace system16%
- Weather14%
Frequently asked questions
- How often are flights from ORD to MKE delayed?
- 33% of ORD–MKE flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 30 minutes.
- Which airline is most reliable from ORD to MKE?
- Republic Airways has the best on-time record on this route at 84%, based on 269 flights. 3 airlines flew ORD–MKE frequently enough to compare in this period.
- What is the best time of day to fly from ORD to MKE?
- Departures around 7 a.m. have the best record (80% on-time), while departures around 10 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to MKE?
- The scheduled ORD–MKE flight time averages 1h 1m over 67 miles. Actual arrival times vary — flights on this route land 15+ minutes late 33% of the time.
- How often are ORD to MKE flights cancelled?
- 3.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from ORD to MKE?
- December 2025 was the roughest month in this dataset, with only 53% of arrivals on time. The best was October 2024 at 81%. If your dates are flexible, that 27-point gap is worth planning around.
Explore related pages
More routes from ORD
Other ways to fly to Milwaukee (MKE)
Related guides
Based on 8,875 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.