Route Reliability
Milwaukee → Chicago
MKE–MDW · 80 miles · Milwaukee Mitchell International Airport to Chicago Midway International Airport
66
Usually Fine
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 2.8%
- Cancelled
- 176
- Flights in the data
Data through May 2026.
Southwest Airlines is the only airline in this data on this route, arriving on time 73% of the time across 176 flights. No comparison to make.
What the data says
Morning flights do better here.
MKE–MDW flights departing between 3–6 AM arrived on time 95% of the time, versus 54% between 3–6 PM.
Thursdays have been rough.
MKE–MDW flights arrived on time 87% of the time on Tuesdays and just 64% on Thursdays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon68%(22 flights)
- Tue87%(23 flights)
- Wed79%(24 flights)
- Thu64%(25 flights)
- Fri67%(24 flights)
- Sat69%(26 flights)
- Sun80%(25 flights)
- 3–6 AM95%(83 flights)
- 6–9 AM—(2 flights)
- 12–3 PM—(8 flights)
- 3–6 PM54%(76 flights)
81%
May
Mar 59% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| March 2026 | 59% | 49 |
| April 2026 | 78% | 58 |
| May 2026 | 81% | 62 |
Same trip, other airports
Keep nerding
Based on 176 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.