MDW to MKE flight delays & on-time performance
Nonstop flights from Chicago Midway International Airport to General Mitchell International Airport · 80 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MDW or MKE right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (MDW) to Milwaukee (MKE) arrived on time 69% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3% were cancelled, and 11% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 10am did best (91% on time); around 9pm did worst (50%).
- Tuesday was the most reliable day to fly (78% on time) and Friday the least (60%).
- The largest source of delay minutes was late-arriving aircraft (48%).
Which airline is most on time from MDW to MKE?
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 |
|---|---|---|---|---|---|
| Southwest Airlines | 69% | 3.0% | 21 min | 11.1% | 298 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am91%117 flights
- 11am74%24 flights
- 9pm50%124 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday67%7.1% cancelled
- Tuesday78%2.4% cancelled
- Wednesday78%2.4% cancelled
- Thursday62%4.5% cancelled
- Friday60%2.3% cancelled
- Saturday76%0.0% cancelled
- Sunday63%2.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft48%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion17%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather56%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion11%
- Security0%
MDW to MKE: common questions
- How often are MDW to MKE flights on time?
- 69% 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 Chicago to Milwaukee cancelled?
- 3.0% of scheduled flights were cancelled (9 of 298).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 63 min behind schedule on average, and 11.1% of flights were an hour or more late.
- How long is taxi time at MDW?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MKE to MDW — 72% on time
More flights from Chicago
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MDW → MKE, nonstop flights by US airlines that report to the DOT. How we calculate this.