Milwaukee (MKE) to Chicago (ORD): On-Time Performance
Data through May 2026
Milwaukee (MKE) to Chicago (ORD) has an unusually high scrub rate — 3% of scheduled departures never left the gate, a cancellation rate several times the national figure. When flights do go, 70% land on time, below the national average of 78%. Republic Airways has been the safer pick, arriving on time 82% of the time.
- On-time
- 70%
- arrived <15 min late
- Avg delay
- 28 min
- completed flights
- Cancelled
- 3.0%
- Flights/day
- 14
- last 12 months
- Duration
- 1h 9m
- scheduled
- Distance
- 67 mi
Best airline from MKE to ORD
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 82% | 14 min | 4.2% | 260 |
| SkyWest Airlines | 70% | 28 min | 2.9% | 7,751 |
| Envoy Air | 70% | 23 min | 6.1% | 131 |
Monthly on-time trend
Best time to fly from MKE to ORD
Aim for departures around 5 a.m. (86% on-time); avoid 7 p.m. departures (48%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 70% | 29 min |
| Tuesdaybest | 75% | 27 min |
| Wednesday | 74% | 23 min |
| Thursday | 70% | 27 min |
| Friday | 65% | 30 min |
| Saturday | 73% | 26 min |
| Sunday | 66% | 32 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft25%
- Airline operations47%
- National airspace system19%
- Weather10%
Frequently asked questions
- How often are flights from MKE to ORD delayed?
- 30% of MKE–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 28 minutes.
- Which airline is most reliable from MKE to ORD?
- Republic Airways has the best on-time record on this route at 82%, based on 260 flights. 3 airlines flew MKE–ORD frequently enough to compare in this period.
- What is the best time of day to fly from MKE to ORD?
- Departures around 5 a.m. have the best record (86% on-time), while departures around 7 p.m. have the worst (48%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MKE to ORD?
- The scheduled MKE–ORD flight time averages 1h 9m over 67 miles. Actual arrival times vary — flights on this route land 15+ minutes late 30% of the time.
- How often are MKE to ORD flights cancelled?
- 3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from MKE to ORD?
- July 2025 was the roughest month in this dataset, with only 57% of arrivals on time. The best was October 2024 at 83%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 8,174 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.