Route · SFO → SLC · 2020–2025 BTS data
San Francisco to Salt Lake City
The SFO–SLC corridor (San Francisco, CA → Salt Lake City, UT) runs ahead of the national average, served by 16 carriers across roughly 599 miles.
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 79 min
- Delay when late
- 19,875
- Flights
Cancelled
0.6%
Best Month
Apr 2025 88%
Worst Month
Mar 2024 61%
Distance
599 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 294 | 83 | 3 | 0 | DL,F9,UA,OO |
| Nov 2025 | 265 | 49 | 6 | 0 | OO,UA,DL,F9 |
| Oct 2025 | 284 | 52 | 0 | 0 | DL,OO,UA,F9 |
| Sep 2025 | 250 | 31 | 0 | 0 | UA,OO,DL,F9 |
| Aug 2025 | 294 | 48 | 1 | 0 | OO,F9,UA,DL |
| Jul 2025 | 314 | 77 | 0 | 0 | DL,OO,UA,F9 |
| Jun 2025 | 305 | 72 | 1 | 0 | DL,OO,UA,F9 |
| May 2025 | 327 | 59 | 1 | 0 | DL,OO,UA,F9 |
| Apr 2025 | 328 | 38 | 0 | 0 | DL,F9,OO,UA |
| Mar 2025 | 321 | 74 | 1 | 0 | DL,OO,UA,F9 |
| Feb 2025 | 283 | 58 | 1 | 0 | DL,OO,UA,F9 |
| Jan 2025 | 298 | 46 | 1 | 0 | DL,OO,UA,F9 |
| Dec 2024 | 305 | 78 | 0 | 0 | DL,F9,OO,UA |
| Nov 2024 | 276 | 62 | 2 | 0 | OO,UA,DL,F9 |
| Oct 2024 | 287 | 35 | 0 | 0 | UA,OO,DL,F9 |
| Sep 2024 | 275 | 39 | 0 | 1 | OO,UA,DL,F9 |
| Aug 2024 | 289 | 53 | 3 | 0 | DL,F9,OO,UA |
| Jul 2024 | 289 | 54 | 8 | 0 | DL,F9,OO,UA |
| Jun 2024 | 264 | 59 | 0 | 0 | DL,F9,OO,UA |
| May 2024 | 290 | 84 | 3 | 0 | DL,F9,OO,UA |
| Apr 2024 | 287 | 95 | 4 | 0 | DL,F9,OO,UA |
| Mar 2024 | 272 | 106 | 0 | 0 | DL,OO,UA |
| Feb 2024 | 266 | 59 | 4 | 0 | DL,OO,UA |
| Jan 2024 | 288 | 67 | 0 | 0 | DL,OO,UA |
Cancellation Rate
0.6%
39 of 6,951 flights
Diversion Rate
0.0%
1 of 6,951 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
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 SFO 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 SFO–SLC.
Routes with a similar on-time rate
What the Data Says About SFO to SLC
Bureau of Transportation Statistics records show San Francisco to Salt Lake City (SFO to SLC) running a 84.4% on-time rate over 19,875 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 78.7 minutes. The 599-mile corridor is served by 16 carriers, and over the last 24 months 0.6% of 6,951 flights were cancelled, 0.0% diverted.
The monthly split is wide on this route: Apr 2025 posted the strongest performance at 88% on-time, while Mar 2024 came in at just 61% - a 27-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.