Route · SLC → MKE · 2020–2025 BTS data
Salt Lake City to Milwaukee
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SLC to MKE (Salt Lake City to Milwaukee) ranks #4442 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.5%
- On-time
- +1.5 pts
- vs US avg
- 86 min
- Delay when late
- 1,077
- Flights
- #4442 of 4927
- Corpus placement
Cancelled
0.5%
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 | 6 | 1 | 0 | DL,OO |
| Oct 2025 | 31 | 4 | 0 | 0 | DL |
| Aug 2025 | 31 | 13 | 0 | 0 | DL |
| Jul 2025 | 31 | 5 | 0 | 0 | DL |
| Jun 2025 | 30 | 9 | 0 | 0 | DL |
| May 2025 | 31 | 7 | 0 | 0 | DL |
| Apr 2025 | 30 | 4 | 0 | 0 | DL |
| Mar 2025 | 31 | 6 | 0 | 0 | DL |
| Jan 2025 | 31 | 8 | 0 | 0 | OO,DL |
| Dec 2024 | 32 | 7 | 0 | 0 | DL,OO |
| Oct 2024 | 31 | 6 | 0 | 0 | DL |
| Sep 2024 | 30 | 8 | 0 | 0 | DL |
| Aug 2024 | 31 | 11 | 0 | 1 | DL |
| Jul 2024 | 31 | 9 | 2 | 0 | DL |
| Jun 2024 | 30 | 9 | 0 | 0 | DL |
| May 2024 | 31 | 8 | 0 | 0 | DL |
| Apr 2024 | 30 | 5 | 0 | 0 | DL |
| Mar 2024 | 31 | 4 | 0 | 0 | DL |
| Jan 2024 | 33 | 5 | 0 | 1 | DL,OO |
| Dec 2023 | 31 | 0 | 0 | 0 | DL |
| Oct 2023 | 31 | 5 | 0 | 0 | DL,OO |
| Sep 2023 | 30 | 3 | 0 | 0 | OO |
| Aug 2023 | 31 | 9 | 0 | 0 | OO |
| Jul 2023 | 31 | 11 | 1 | 0 | DL |
SLC–MKE seasonal on-time pattern
Best: March (87.0%) · weakest: June (71.1%)
Strongest calendar month
March
87.0% on-time · ~31 flights/mo
Busiest calendar month
January
~31 flights/mo avg
Weakest calendar month
June
71.1% on-time · ~30 flights/mo
Cancellation Rate
0.5%
4 of 741 flights
Diversion Rate
0.3%
2 of 741 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SLC - Salt Lake City
Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.
SLC on-time profileMKE - Milwaukee
Full on-time, delay-cause, and seasonal performance for Milwaukee, WI.
MKE on-time profileCompare the two airports
See SLC and MKE side by side on delays, cancellations, and reliability.
Compare SLC vs MKEOrigin-hub reliability standing
Mid-pack among SLC departures
From SLC, this corridor sits with 31 other 75–85% on-time routes out of 85 tracked departures, not the hub's reliability leaders (54 at ≥85%) and not the softest ( 0 below 75%). Destination: Milwaukee · fleet on-time rank #2952 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SLC–MKE.
Routes with a similar on-time rate
What the Data Says About SLC to MKE
1,077 tracked flights put the SLC to MKE pairing (Salt Lake City to Milwaukee) at a 80.5% on-time rate, squarely in line with the wider network. Delays that do occur run 86.0 minutes on average. Across the 1,247-mile route and its 4 carriers, the trailing 24 months show 0.5% cancelled and 0.3% diverted (741 flights sampled).
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.
On the multi-year calendar, SLC–MKE peaks in March at 87.0% on-time while January carries the heaviest traffic (~31 flights per month) ; the softest month is June at 71.1%, a 15.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SLC to MKE rank among US routes by traffic? ▼
How often are flights delayed from SLC to MKE? ▼
What is the cancellation rate for SLC to MKE? ▼
How far is the flight from SLC to MKE? ▼
Airports on this route
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.
Using SLC–MKE data
SLC–MKE is mid-pack at 80.5% on-time; month and carrier mix move more than the corridor headline.
- Compare SLC and MKE airport profiles: delay causes and top routes differ even on the same corridor. SLC airport
- If your dates flex, March (87.0% on-time) beats June (71.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.5% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.