Route · SAT → SLC · 2020–2025 BTS data
San Antonio to Salt Lake City
The SAT–SLC corridor (San Antonio, TX → Salt Lake City, UT) runs ahead of the national average, served by 4 carriers across roughly 1,087 miles.
Data updated 2026-06-13
- 87.6%
- On-time
- +8.6 pts
- vs US avg
- 101 min
- Delay when late
- 5,970
- Flights
Cancelled
0.7%
Best Month
Oct 2024 95%
Worst Month
Jul 2024 67%
Distance
1,087 mi
Carriers
4
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 88 | 16 | 3 | 0 | DL |
| Nov 2025 | 78 | 9 | 2 | 0 | DL |
| Oct 2025 | 84 | 12 | 0 | 0 | DL |
| Sep 2025 | 77 | 18 | 1 | 0 | DL |
| Aug 2025 | 82 | 12 | 0 | 0 | DL |
| Jul 2025 | 88 | 13 | 0 | 0 | DL |
| Jun 2025 | 86 | 15 | 1 | 0 | DL,OO |
| May 2025 | 87 | 18 | 0 | 0 | DL |
| Apr 2025 | 86 | 17 | 0 | 0 | DL |
| Mar 2025 | 88 | 11 | 0 | 0 | DL |
| Feb 2025 | 74 | 10 | 0 | 0 | DL |
| Jan 2025 | 82 | 10 | 2 | 0 | DL |
| Dec 2024 | 87 | 16 | 0 | 0 | DL |
| Nov 2024 | 78 | 9 | 0 | 0 | DL |
| Oct 2024 | 83 | 4 | 0 | 0 | DL |
| Sep 2024 | 80 | 4 | 0 | 0 | DL |
| Aug 2024 | 92 | 10 | 1 | 1 | DL |
| Jul 2024 | 91 | 30 | 5 | 0 | DL |
| Jun 2024 | 89 | 20 | 0 | 0 | DL |
| May 2024 | 88 | 16 | 0 | 0 | DL |
| Apr 2024 | 87 | 9 | 0 | 0 | DL |
| Mar 2024 | 88 | 11 | 0 | 0 | DL |
| Feb 2024 | 78 | 6 | 0 | 0 | DL |
| Jan 2024 | 87 | 13 | 0 | 0 | DL |
Cancellation Rate
0.7%
15 of 2,028 flights
Diversion Rate
0.0%
1 of 2,028 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SAT - San Antonio
Full on-time, delay-cause, and seasonal performance for San Antonio, TX.
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 SAT 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 SAT–SLC.
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What the Data Says About SAT to SLC
San Antonio to Salt Lake City (SAT to SLC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.6% on-time rate across 5,970 flights, with delays that do happen averaging 100.6 minutes. The corridor runs roughly 1,087 miles and is served by 4 carriers. Over the most recent 24 months, 15 of 2,028 flights were cancelled (0.7%) and 1 diverted (0.0%).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 95% on-time, while Jul 2024 came in at just 67% - a 28-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SAT to SLC? ▼
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Flight Guides
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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.