Historical on-time performance
San Francisco to Medford
329 miData through Dec 2025Source: US DOT · BTS
Flights on SFO–MFR arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 845 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- United AirlinesOn-time85%Medianon timep9020 minCancel0.2%Flights418
- SkyWest AirlinesOn-time82%Medianon timep9030 minCancel0.5%Flights427
Why flights run late
Delay causes
- Airline31%
- Weather7%
- Air traffic (NAS)24%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SFO → MFR
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 80% to 85% on time.
- Afternoons85% on time · p90 20 min · 549 flights
- Middays85% on time · p90 25 min · 1,192 flights
- Evenings83% on time · p90 35 min · 425 flights
- Overnights80% on time · p90 30 min · 675 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 86% on time.
- Saturdays86% on time · p90 20 min · 381 flights
- Wednesdays85% on time · p90 25 min · 413 flights
- Tuesdays85% on time · p90 25 min · 405 flights
- Mondays83% on time · p90 30 min · 418 flights
- Sundays83% on time · p90 25 min · 412 flights
- Thursdays81% on time · p90 30 min · 408 flights
- Fridays80% on time · p90 30 min · 409 flights
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