SLC to PSC flight delays & on-time performance
Nonstop flights from Salt Lake City International Airport to Tri Cities Airport · 521 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SLC or PSC right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Salt Lake City (SLC) to Pasco/Kennewick/Richland (PSC) arrived on time 89% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.2% were cancelled, and 4% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (91% on time); Delta Air Lines was the least (86%).
- Departures scheduled around 8am did best (98% on time); around 11pm did worst (80%).
- Tuesday was the most reliable day to fly (94% on time) and Wednesday the least (86%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (54%).
Which airline is most on time from SLC to PSC?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 91% | 0.1% | 6 min | 2.8% | 830 |
| Delta Air Lines | 86% | 0.3% | 13 min | 6.1% | 348 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am98%114 flights
- 10am92%84 flights
- 11am93%201 flights
- 12pm88%49 flights
- 1pm94%31 flights
- 3pm92%71 flights
- 4pm87%263 flights
- 9pm91%65 flights
- 10pm87%201 flights
- 11pm80%94 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday90%0.0% cancelled
- Tuesday94%0.0% cancelled
- Wednesday86%0.0% cancelled
- Thursday89%0.0% cancelled
- Friday88%0.6% cancelled
- Saturday91%0.0% cancelled
- Sunday88%0.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)54%
- Extreme weather29%
- Late-arriving aircraft12%
- Air traffic control & airport congestion5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Air traffic control & airport congestion50%
- Extreme weather0%
- Security0%
SLC to PSC: common questions
- How often are SLC to PSC flights on time?
- 89% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Salt Lake City to Pasco/Kennewick/Richland cancelled?
- 0.2% of scheduled flights were cancelled (2 of 1,178).
- How long are typical delays?
- Across all flights the average arrival delay was 8 min (early arrivals count as zero). Flights that were late arrived 68 min behind schedule on average, and 3.8% of flights were an hour or more late.
- How long is taxi time at SLC?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PSC to SLC — 94% on time
More flights from Salt Lake City
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SLC → PSC, nonstop flights by US airlines that report to the DOT. How we calculate this.