Route · MKE → SLC · 2020–2025 BTS data
Milwaukee to Salt Lake City
The MKE–SLC corridor (Milwaukee, WI → Salt Lake City, UT) runs ahead of the national average, served by 4 carriers across roughly 1,247 miles.
Data updated 2026-06-13
- 89.6%
- On-time
- +10.6 pts
- vs US avg
- 119 min
- Delay when late
- 1,075
- Flights
Cancelled
0.7%
Best Month
N/A
Worst Month
N/A
Distance
1,247 mi
Carriers
4
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 14 | 1 | 0 | DL,OO |
| Oct 2025 | 31 | 2 | 0 | 0 | DL |
| Aug 2025 | 31 | 3 | 0 | 0 | DL |
| Jul 2025 | 31 | 2 | 0 | 0 | DL |
| Jun 2025 | 30 | 1 | 0 | 0 | DL |
| May 2025 | 31 | 2 | 0 | 0 | DL |
| Apr 2025 | 30 | 2 | 0 | 0 | DL |
| Mar 2025 | 31 | 3 | 0 | 0 | DL |
| Jan 2025 | 31 | 4 | 0 | 0 | OO,DL |
| Dec 2024 | 32 | 1 | 0 | 0 | DL,OO |
| Oct 2024 | 31 | 1 | 0 | 0 | DL |
| Sep 2024 | 30 | 0 | 0 | 0 | DL |
| Aug 2024 | 31 | 2 | 0 | 1 | DL |
| Jul 2024 | 31 | 2 | 2 | 0 | DL |
| Jun 2024 | 30 | 2 | 0 | 0 | DL |
| May 2024 | 31 | 4 | 0 | 0 | DL |
| Apr 2024 | 30 | 2 | 0 | 0 | DL |
| Mar 2024 | 31 | 3 | 0 | 0 | DL |
| Jan 2024 | 32 | 6 | 0 | 0 | DL,OO |
| Dec 2023 | 32 | 3 | 0 | 0 | OO,DL |
| Oct 2023 | 31 | 2 | 0 | 0 | DL,OO |
| Sep 2023 | 30 | 4 | 1 | 0 | OO |
| Aug 2023 | 31 | 8 | 0 | 0 | DL,OO |
| Jul 2023 | 30 | 2 | 1 | 0 | DL |
Cancellation Rate
0.7%
5 of 740 flights
Diversion Rate
0.1%
1 of 740 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MKE - Milwaukee
Full on-time, delay-cause, and seasonal performance for Milwaukee, WI.
Origin airport →SLC - Salt Lake City
Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.
Destination airport →Compare the two airports
See MKE and SLC side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MKE–SLC.
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What the Data Says About MKE to SLC
Milwaukee to Salt Lake City (MKE to SLC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.6% on-time rate across 1,075 flights, with delays that do happen averaging 119.0 minutes. The corridor runs roughly 1,247 miles and is served by 4 carriers. Over the most recent 24 months, 5 of 740 flights were cancelled (0.7%) and 1 diverted (0.1%).
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.