Route · SLC → PSC · 2020–2025 BTS data
Salt Lake City to Pasco/Kennewick/Richland
The SLC–PSC corridor (Salt Lake City, UT → Pasco/Kennewick/Richland, WA) runs ahead of the national average, served by 3 carriers across roughly 521 miles.
Data updated 2026-06-13
- 88.8%
- On-time
- +9.8 pts
- vs US avg
- 74 min
- Delay when late
- 6,337
- Flights
Cancelled
0.2%
Best Month
Mar 2024 95%
Worst Month
Jan 2024 63%
Distance
521 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 10 | 0 | 0 | DL,OO |
| Nov 2025 | 88 | 9 | 1 | 1 | OO,DL |
| Oct 2025 | 92 | 7 | 0 | 0 | OO,DL |
| Sep 2025 | 92 | 5 | 0 | 0 | OO,DL |
| Aug 2025 | 120 | 11 | 0 | 0 | OO,DL |
| Jul 2025 | 122 | 20 | 0 | 0 | OO,DL |
| Jun 2025 | 119 | 8 | 1 | 0 | OO,DL |
| May 2025 | 113 | 10 | 0 | 0 | OO,DL |
| Apr 2025 | 90 | 9 | 0 | 0 | DL,OO |
| Mar 2025 | 91 | 10 | 0 | 0 | OO,DL |
| Feb 2025 | 80 | 17 | 0 | 1 | OO |
| Jan 2025 | 88 | 10 | 0 | 0 | OO |
| Dec 2024 | 90 | 16 | 0 | 2 | OO |
| Nov 2024 | 88 | 7 | 0 | 0 | OO,DL |
| Oct 2024 | 92 | 10 | 0 | 1 | OO,DL |
| Sep 2024 | 88 | 7 | 0 | 0 | OO,DL |
| Aug 2024 | 92 | 17 | 0 | 0 | DL,OO |
| Jul 2024 | 91 | 19 | 0 | 0 | DL,OO |
| Jun 2024 | 89 | 20 | 0 | 0 | DL,OO |
| May 2024 | 88 | 10 | 0 | 0 | OO |
| Apr 2024 | 86 | 11 | 0 | 0 | OO |
| Mar 2024 | 88 | 4 | 0 | 0 | OO |
| Feb 2024 | 78 | 7 | 0 | 0 | OO |
| Jan 2024 | 87 | 32 | 2 | 2 | OO |
Cancellation Rate
0.2%
4 of 2,242 flights
Diversion Rate
0.3%
7 of 2,242 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 →PSC - Pasco/Kennewick/Richland
Full on-time, delay-cause, and seasonal performance for Pasco/Kennewick/Richland, WA.
Destination airport →Compare the two airports
See SLC and PSC 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–PSC.
Routes with a similar on-time rate
What the Data Says About SLC to PSC
Salt Lake City to Pasco/Kennewick/Richland (SLC to PSC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.8% on-time rate across 6,337 flights, with delays that do happen averaging 73.5 minutes. The corridor runs roughly 521 miles and is served by 3 carriers. Over the most recent 24 months, 4 of 2,242 flights were cancelled (0.2%) and 7 diverted (0.3%).
The monthly split is wide on this route: Mar 2024 posted the strongest performance at 95% on-time, while Jan 2024 came in at just 63% - a 32-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.