Best Time to Fly MKE to SLC: On-Time Stats by Hour & Airline
General Mitchell International → Salt Lake City International
Data through July 2026 · Last updated October 18, 2026
363 flights were scheduled from Milwaukee (MKE) to Salt Lake City (SLC) in the last 12 months, and 83.3% of those that flew arrived on time, 5.7 points above the US average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
July has been the best month (97% on time) and Friday the weakest day of the week (84%).
0.8% of flights were cancelled, versus 1.8% nationally.
MKE to SLC on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 84.0% | 90 min | 0.9% | 347 |
| SkyWest Airlines | Limited data | 16 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MKE to SLC
On-time arrival % by scheduled departure hour (local time), 728 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 91.8% | 0.0% | 61 |
| 7am–8am | 87.1% | 0.5% | 666 |
| 6pm–7pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MKE to SLC
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | -6.7 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 95.2% | +8.5 pts | 0.0% | 124 |
| All other days | 86.7% | — | 0.5% | 562 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).