Las Vegas (LAS) to Milwaukee (MKE): On-Time Performance
Data through July 2026
Las Vegas (LAS) to Milwaukee (MKE) effectively runs on two schedules. In November 2024, 92% of arrivals were on time; in June 2026 that fell to 59% — a 33-point seasonal swing. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 68%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 2.9
- last 12 months
- Duration
- 3h 30m
- scheduled
- Distance
- 1,524 mi
Best airline from LAS to MKE
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 86% | 10 min | 1.3% | 313 |
| Southwest Airlines | 76% | 13 min | 0.3% | 2,083 |
Monthly on-time trend
Best time to fly from LAS to MKE
Aim for departures around 7 a.m. (97% on-time); avoid 6 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 14 min |
| Tuesday | 83% | 12 min |
| Wednesday | 83% | 9 min |
| Thursday | 70% | 16 min |
| Friday | 74% | 16 min |
| Saturdaybest | 89% | 6 min |
| Sunday | 75% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft53%
- Airline operations33%
- National airspace system14%
Frequently asked questions
- How often are flights from LAS to MKE delayed?
- 23% of LAS–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 13 minutes.
- Which airline is most reliable from LAS to MKE?
- Spirit Airlines has the best on-time record on this route at 86%, based on 313 flights. 2 airlines flew LAS–MKE frequently enough to compare in this period.
- What is the best time of day to fly from LAS to MKE?
- Departures around 7 a.m. have the best record (97% on-time), while departures around 6 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to MKE?
- The scheduled LAS–MKE flight time averages 3h 30m over 1,524 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are LAS to MKE flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from LAS to MKE?
- June 2026 was the roughest month in this dataset, with only 59% of arrivals on time. The best was November 2024 at 92%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 2,402 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.