Best Time to Fly SLC to OAK: On-Time Stats by Hour & Airline
Salt Lake City International → Oakland International
Data through July 2026 · Last updated October 18, 2026
1,643 flights were scheduled from Salt Lake City (SLC) to Oakland (OAK) in the last 12 months, and 90.2% of those that flew arrived on time, 12.6 points above the US average of 77.6%.
SkyWest Airlines was the most punctual of the 2 airlines on the route at 92.1%, while Southwest Airlines trailed at 86.8%.
September has been the best month (94% on time) and Thursday the weakest day of the week (87%).
0.2% of flights were cancelled, versus 1.8% nationally.
SLC to OAK on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 92.1% | 54 min | 0.2% | 1,074 |
| Southwest Airlines | 86.8% | 53 min | 0.2% | 569 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to OAK
On-time arrival % by scheduled departure hour (local time), 3,545 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 29 | |
| 6am–7am | 96.1% | 0.0% | 232 |
| 7am–8am | 98.0% | 0.0% | 100 |
| 8am–9am | Limited data | 18 | |
| 10am–11am | 92.3% | 0.3% | 589 |
| 11am–12pm | 91.9% | 0.0% | 461 |
| 12pm–1pm | 78.1% | 0.0% | 32 |
| 1pm–2pm | 83.9% | 0.0% | 87 |
| 2pm–3pm | 82.6% | 0.0% | 46 |
| 3pm–4pm | 91.2% | 0.0% | 723 |
| 4pm–5pm | 84.9% | 0.0% | 53 |
| 5pm–6pm | 81.7% | 0.0% | 60 |
| 6pm–7pm | 82.4% | 0.0% | 108 |
| 7pm–8pm | 62.9% | 0.0% | 97 |
| 8pm–9pm | 80.3% | 0.0% | 127 |
| 9pm–10pm | 80.1% | 0.0% | 166 |
| 10pm–11pm | 88.2% | 0.0% | 568 |
| 11pm–12am | 89.8% | 0.0% | 49 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SLC to OAK
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 81.0% | -8.9 pts | 0.0% | 63 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.3% | -9.5 pts | 0.0% | 132 |
| Summer peak (Jun 15 - Aug 15) | 87.8% | -2.1 pts | 0.0% | 572 |
| All other days | 89.8% | — | 0.1% | 2,778 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).