Route Reliability
San Diego → Milwaukee
SAN–MKE · 1,739 miles · San Diego International Airport to Milwaukee Mitchell International Airport
- 79%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0%
- Cancelled
- 142
- Flights in the data
Data through May 2026.
Southwest Airlines is the only airline in this data on this route, arriving on time 79% of the time across 142 flights. No comparison to make.
What the data says
Morning flights do better here.
SAN–MKE flights departing between 9 AM–12 PM arrived on time 96% of the time, versus 54% between 3–6 PM.
Thursdays have been rough.
SAN–MKE flights arrived on time 89% of the time on Sundays and just 68% on Thursdays. That gap is worth planning around.
It basically never cancels.
Out of 142 scheduled flights, only 0.0% were cancelled.
Recent months have been rougher.
SAN–MKE flights arrived on time 70% of the time over the last three months in the data, compared with 78% in the three months before that.
Flights on this route
The breakdown
- Mon83%(23 flights)
- Tue—(3 flights)
- Wed—(1 flights)
- Thu68%(22 flights)
- Fri79%(28 flights)
- Sat78%(36 flights)
- Sun89%(28 flights)
- 6–9 AM92%(13 flights)
- 9 AM–12 PM96%(25 flights)
- 12–3 PM79%(77 flights)
- 3–6 PM54%(26 flights)
Oct 95% → May 53% on time
| Month | On-time percentage | Flights |
|---|---|---|
| October 2025 | 95% | 21 |
| November 2025 | 70% | 20 |
| December 2025 | 65% | 17 |
| February 2026 | 100% | 11 |
| March 2026 | 81% | 21 |
| April 2026 | 77% | 17 |
| May 2026 | 53% | 17 |
Keep nerding
Based on 142 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.