Best Time to Fly CLE to SFO: On-Time Stats by Hour & Airline
Cleveland-Hopkins International → San Francisco International
Data through July 2026 · Last updated October 18, 2026
579 flights were scheduled from Cleveland (CLE) to San Francisco (SFO) in the last 12 months, and 86.9% of those that flew arrived on time, 9.2 points above the US average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
September has been the best month (95% on time) and Thursday the weakest day of the week (85%).
0.0% of flights were cancelled, versus 1.8% nationally.
CLE to SFO 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 |
|---|---|---|---|---|
| United Airlines | 86.9% | 68 min | 0.0% | 579 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLE to SFO
On-time arrival % by scheduled departure hour (local time), 1,153 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 90.7% | 0.0% | 205 |
| 7am–8am | 91.8% | 0.0% | 524 |
| 8am–9am | 100.0% | 0.0% | 31 |
| 9am–10am | Limited data | 1 | |
| 1pm–2pm | Limited data | 3 | |
| 4pm–5pm | Limited data | 6 | |
| 5pm–6pm | 76.7% | 0.0% | 219 |
| 6pm–7pm | Limited data | 22 | |
| 7pm–8pm | 79.4% | 0.7% | 142 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CLE to SFO
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) | Limited data | 27 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 77.8% | -10.9 pts | 0.0% | 45 |
| Summer peak (Jun 15 - Aug 15) | 83.7% | -5.0 pts | 0.4% | 234 |
| All other days | 88.7% | — | 0.0% | 847 |
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).