Best Time to Fly MFR to SFO: On-Time Stats by Hour & Airline
Rogue Valley International - Medford → San Francisco International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 66.8% of Medford (MFR) to San Francisco (SFO) flights arrived on time (1,031 scheduled flights). That is 10.8 points below the national average of 77.6%.
Among 2 airlines, United Airlines led with 68.2% on time and SkyWest Airlines was last with 65.9%.
Over 24 months, Saturday was the most reliable day (79% on time) and July the worst month (62%).
The cancellation rate was 0.8% (US average 1.8%).
MFR 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 | 68.2% | 51 min | 0.0% | 406 |
| SkyWest Airlines | 65.9% | 83 min | 1.3% | 625 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MFR to SFO
On-time arrival % by scheduled departure hour (local time), 2,014 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 89.8% | 1.4% | 665 |
| 7am–8am | 79.5% | 0.0% | 45 |
| 8am–9am | Limited data | 16 | |
| 1pm–2pm | 74.4% | 1.2% | 83 |
| 2pm–3pm | 65.8% | 0.1% | 647 |
| 6pm–7pm | 69.7% | 1.8% | 557 |
| 7pm–8pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MFR 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) | 66.7% | -10.3 pts | 2.5% | 40 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.2% | -3.8 pts | 3.5% | 85 |
| Summer peak (Jun 15 - Aug 15) | 69.1% | -7.8 pts | 0.3% | 351 |
| All other days | 77.0% | — | 1.0% | 1,538 |
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).