Route · SLC → MCI · 2020–2025 BTS data
Salt Lake City to Kansas City
The SLC–MCI corridor (Salt Lake City, UT → Kansas City, MO) runs ahead of the national average, served by 4 carriers across roughly 920 miles.
Data updated 2026-06-13
- 85.1%
- On-time
- +6.1 pts
- vs US avg
- 73 min
- Delay when late
- 5,670
- Flights
Cancelled
0.9%
Best Month
Sep 2025 93%
Worst Month
Aug 2024 69%
Distance
920 mi
Carriers
4
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 19 | 1 | 0 | DL |
| Nov 2025 | 87 | 15 | 0 | 0 | DL |
| Oct 2025 | 91 | 11 | 0 | 0 | DL |
| Sep 2025 | 85 | 6 | 0 | 2 | DL |
| Aug 2025 | 91 | 16 | 1 | 1 | DL |
| Jul 2025 | 92 | 23 | 1 | 0 | DL |
| Jun 2025 | 89 | 23 | 0 | 2 | DL |
| May 2025 | 87 | 15 | 0 | 0 | DL |
| Apr 2025 | 84 | 11 | 0 | 0 | DL |
| Mar 2025 | 80 | 11 | 1 | 0 | DL |
| Feb 2025 | 65 | 9 | 0 | 0 | DL |
| Jan 2025 | 70 | 8 | 6 | 0 | DL |
| Dec 2024 | 83 | 16 | 0 | 0 | DL |
| Nov 2024 | 82 | 14 | 0 | 0 | DL |
| Oct 2024 | 84 | 7 | 0 | 0 | DL |
| Sep 2024 | 81 | 16 | 0 | 0 | DL |
| Aug 2024 | 85 | 26 | 0 | 0 | DL |
| Jul 2024 | 87 | 20 | 7 | 1 | DL |
| Jun 2024 | 83 | 15 | 0 | 2 | DL |
| May 2024 | 79 | 9 | 0 | 0 | DL |
| Apr 2024 | 77 | 10 | 0 | 0 | DL |
| Mar 2024 | 80 | 15 | 0 | 0 | DL |
| Feb 2024 | 66 | 10 | 0 | 0 | DL |
| Jan 2024 | 74 | 18 | 1 | 0 | DL,OO |
Cancellation Rate
0.9%
18 of 1,972 flights
Diversion Rate
0.4%
8 of 1,972 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.
Origin airport →MCI - Kansas City
Full on-time, delay-cause, and seasonal performance for Kansas City, MO.
Destination airport →Compare the two airports
See SLC and MCI side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SLC–MCI.
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What the Data Says About SLC to MCI
Salt Lake City to Kansas City (SLC to MCI) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.1% on-time rate across 5,670 flights, with delays that do happen averaging 72.6 minutes. The corridor runs roughly 920 miles and is served by 4 carriers. Over the most recent 24 months, 18 of 1,972 flights were cancelled (0.9%) and 8 diverted (0.4%).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 93% on-time, while Aug 2024 came in at just 69% - a 24-point swing worth factoring into travel timing.
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.