Route · SLC → SFO · 2020–2025 BTS data
Salt Lake City to San Francisco
The SLC–SFO corridor (Salt Lake City, UT → San Francisco, CA) runs ahead of the national average, served by 17 carriers across roughly 599 miles.
Data updated 2026-06-13
- 80%
- On-time
- +1 pts
- vs US avg
- 69 min
- Delay when late
- 19,871
- Flights
Cancelled
0.6%
Best Month
Jan 2025 88%
Worst Month
Mar 2024 50%
Distance
599 mi
Carriers
17
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 295 | 79 | 5 | 0 | DL,F9,UA,OO |
| Nov 2025 | 265 | 71 | 6 | 1 | OO,UA,DL,F9 |
| Oct 2025 | 283 | 84 | 0 | 0 | DL,OO,UA,F9 |
| Sep 2025 | 250 | 49 | 0 | 0 | UA,OO,DL,F9 |
| Aug 2025 | 295 | 54 | 1 | 1 | OO,F9,UA,DL |
| Jul 2025 | 314 | 73 | 2 | 0 | OO,UA,DL,F9 |
| Jun 2025 | 306 | 67 | 1 | 0 | OO,UA,DL,F9 |
| May 2025 | 327 | 47 | 1 | 1 | DL,OO,UA,F9 |
| Apr 2025 | 328 | 63 | 0 | 0 | DL,F9,OO,UA |
| Mar 2025 | 320 | 88 | 1 | 1 | DL,OO,UA,F9 |
| Feb 2025 | 284 | 78 | 3 | 1 | DL,OO,UA,F9 |
| Jan 2025 | 297 | 37 | 0 | 0 | DL,OO,UA,F9 |
| Dec 2024 | 307 | 78 | 0 | 1 | DL,F9,OO,UA |
| Nov 2024 | 276 | 80 | 2 | 0 | OO,UA,DL,F9 |
| Oct 2024 | 288 | 44 | 0 | 0 | UA,OO,DL,F9 |
| Sep 2024 | 275 | 52 | 0 | 0 | OO,UA,DL,F9 |
| Aug 2024 | 289 | 75 | 2 | 0 | DL,F9,OO,UA |
| Jul 2024 | 289 | 57 | 9 | 1 | DL,F9,OO,UA |
| Jun 2024 | 264 | 94 | 0 | 0 | DL,F9,OO,UA |
| May 2024 | 289 | 135 | 2 | 0 | DL,F9,OO,UA |
| Apr 2024 | 287 | 134 | 0 | 2 | DL,F9,OO,UA |
| Mar 2024 | 274 | 137 | 1 | 0 | DL,OO,UA |
| Feb 2024 | 265 | 122 | 8 | 0 | DL,OO,UA |
| Jan 2024 | 290 | 84 | 1 | 0 | DL,OO,UA |
Cancellation Rate
0.6%
45 of 6,957 flights
Diversion Rate
0.1%
9 of 6,957 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 →SFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
Destination airport →Compare the two airports
See SLC and SFO 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–SFO.
Routes with a similar on-time rate
What the Data Says About SLC to SFO
19,871 tracked flights put the SLC to SFO pairing (Salt Lake City to San Francisco) at a 80% on-time rate, squarely in line with the wider network. Delays that do occur run 69.3 minutes on average. Across the 599-mile route and its 17 carriers, the trailing 24 months show 0.6% cancelled and 0.1% diverted (6,957 flights sampled).
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 88% on-time, while Mar 2024 came in at just 50% - a 38-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.