Oakland (OAK) to Salt Lake City (SLC): On-Time Performance
Data through July 2026
On this route, when you fly matters more than who you fly. Book the morning: morning departures from OAK reach SLC on time 95% of the time, versus 80% later in the day. Overall the route posts a 89% on-time rate, ahead of the national 78%. Among carriers, SkyWest Airlines has the edge at 94%.
- On-time
- 89%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 0.1%
- Flights/day
- 4.5
- last 12 months
- Duration
- 1h 51m
- scheduled
- Distance
- 588 mi
Best airline from OAK to SLC
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 94% | 4 min | 0.1% | 1,882 |
| Delta Air Lines | 93% | 8 min | 0.8% | 362 |
| Southwest Airlines | 82% | 12 min | 0.0% | 1,475 |
Monthly on-time trend
Best time to fly from OAK to SLC
Aim for departures around 5 a.m. (97% on-time); avoid 2 p.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 89% | 8 min |
| Tuesday | 92% | 4 min |
| Wednesday | 93% | 5 min |
| Thursday | 86% | 10 min |
| Friday | 87% | 9 min |
| Saturdaybest | 94% | 4 min |
| Sunday | 84% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft43%
- Airline operations48%
- National airspace system4%
- Weather5%
Frequently asked questions
- How often are flights from OAK to SLC delayed?
- 11% of OAK–SLC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 7 minutes.
- Which airline is most reliable from OAK to SLC?
- SkyWest Airlines has the best on-time record on this route at 94%, based on 1,882 flights. 3 airlines flew OAK–SLC frequently enough to compare in this period.
- What is the best time of day to fly from OAK to SLC?
- Departures around 5 a.m. have the best record (97% on-time), while departures around 2 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from OAK to SLC?
- The scheduled OAK–SLC flight time averages 1h 51m over 588 miles. Actual arrival times vary — flights on this route land 15+ minutes late 11% of the time.
- How often are OAK to SLC flights cancelled?
- 0.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What day of the week is most reliable for OAK to SLC?
- Saturday flights have the best record at 94% on-time. Day-of-week differences on this route are meaningful — Sunday trails at 84%.
Explore related pages
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Based on 3,719 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.