MKE to ORD flight delays & on-time performance
Nonstop flights from General Mitchell International Airport to Chicago O'Hare International Airport · 67 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MKE or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Milwaukee (MKE) to Chicago (ORD) arrived on time 68% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 4.5% were cancelled, and 14% arrived an hour or more late.
- Departures scheduled around 5am did best (83% on time); around 7pm did worst (43%).
- Tuesday was the most reliable day to fly (72% on time) and Sunday the least (64%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (46%).
Which airline is most on time from MKE to ORD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 75% | 7.0% | 21 min | 13.2% | 114 |
| Envoy AirRegional airline operating American Eagle flights. | 70% | 5.4% | 23 min | 13.1% | 129 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 68% | 4.3% | 30 min | 14.2% | 4,999 |
| PSA AirlinesRegional airline operating American Eagle flights. | 55% | 15.4% | 81 min | 27.3% | 26 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am83%624 flights
- 6am78%589 flights
- 7am73%499 flights
- 8am69%631 flights
- 9am71%234 flights
- 10am72%393 flights
- 11am71%181 flights
- 12pm61%282 flights
- 1pm66%350 flights
- 2pm66%244 flights
- 3pm60%309 flights
- 4pm61%225 flights
- 5pm49%296 flights
- 6pm54%203 flights
- 7pm43%163 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday68%6.1% cancelled
- Tuesday72%3.1% cancelled
- Wednesday71%3.0% cancelled
- Thursday70%4.0% cancelled
- Friday65%4.0% cancelled
- Saturday70%5.6% cancelled
- Sunday64%5.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)46%
- Late-arriving aircraft23%
- Air traffic control & airport congestion21%
- Extreme weather10%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather83%
- Air traffic control & airport congestion15%
- Airline (crew, maintenance, cleaning, fueling)2%
- Security0%
MKE to ORD: common questions
- How often are MKE to ORD flights on time?
- 68% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Milwaukee to Chicago cancelled?
- 4.5% of scheduled flights were cancelled (236 of 5,268).
- How long are typical delays?
- Across all flights the average arrival delay was 30 min (early arrivals count as zero). Flights that were late arrived 92 min behind schedule on average, and 14.2% of flights were an hour or more late.
- How long is taxi time at MKE?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to MKE — 65% on time
More flights from Milwaukee
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MKE → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.