San Diego (SAN) to Milwaukee (MKE): On-Time Performance
Data through July 2026
San Diego (SAN) to Milwaukee (MKE) is a thinner route than most in this dataset — 193 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 73% arrived on time, noticeably below the national average of 78%.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 0.53
- last 12 months
- Duration
- 3h 59m
- scheduled
- Distance
- 1,739 mi
Monthly on-time trend
Best time to fly from SAN to MKE
Aim for departures around 12 p.m. (83% on-time); avoid 1 p.m. departures (62%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 72% | 11 min |
| Tuesday | 73% | 15 min |
| Wednesday | 78% | 7 min |
| Thursday | 69% | 23 min |
| Friday | 70% | 16 min |
| Saturday | 71% | 16 min |
| Sundaybest | 81% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft55%
- Airline operations33%
- National airspace system11%
Frequently asked questions
- How often are flights from SAN to MKE delayed?
- 27% of SAN–MKE flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
- What is the best time of day to fly from SAN to MKE?
- Departures around 12 p.m. have the best record (83% on-time), while departures around 1 p.m. have the worst (62%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SAN to MKE?
- The scheduled SAN–MKE flight time averages 3h 59m over 1,739 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are SAN to MKE flights cancelled?
- 0% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What day of the week is most reliable for SAN to MKE?
- Sunday flights have the best record at 81% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 69%.
Explore related pages
More routes from SAN
Other ways to fly to Milwaukee (MKE)
Related guides
Based on 206 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.