Milwaukee (MKE) to San Diego (SAN): On-Time Performance
Data through May 2026
Milwaukee (MKE) to San Diego (SAN) is a thinner route than most in this dataset — 142 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 70% arrived on time, noticeably below the national average of 78%.
- On-time
- 70%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 0.39
- last 12 months
- Duration
- 4h 22m
- scheduled
- Distance
- 1,739 mi
Monthly on-time trend
Best time to fly from MKE to SAN
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 61% | 28 min |
| Tuesday | 33% | 30 min |
| Wednesday | 0% | 20 min |
| Thursday | 65% | 14 min |
| Friday | 64% | 17 min |
| Saturdaybest | 82% | 9 min |
| Sunday | 71% | 8 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations32%
- National airspace system30%
- Weather1%
Frequently asked questions
- How often are flights from MKE to SAN delayed?
- 31% of MKE–SAN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 14 minutes.
- How long is the flight from MKE to SAN?
- The scheduled MKE–SAN flight time averages 4h 22m over 1,739 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are MKE to SAN flights cancelled?
- 0% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
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Based on 151 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.