Historical on-time performance
Cleveland to San Francisco
2,161 miData through May 2026Source: US DOT · BTS
Flights on CLE–SFO arrive on time 89% of the time over the last 12 months.
On-time rate89%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 561 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time89%Medianon timep9015 minCancel0.0%Flights561
Why flights run late
Delay causes
- Airline19%
- Weather3%
- Air traffic (NAS)61%
- Late aircraft16%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline85%
- Weather15%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 20 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CLE → SFO
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 15 min · 1,159 flights
- Evenings81% on time · p90 40 min · 546 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 84% to 89% on time.
- Tuesdays89% on time · p90 15 min · 210 flights
- Mondays88% on time · p90 15 min · 263 flights
- Saturdays87% on time · p90 20 min · 226 flights
- Wednesdays86% on time · p90 25 min · 237 flights
- Thursdays86% on time · p90 15 min · 255 flights
- Fridays84% on time · p90 20 min · 265 flights
- Sundays84% on time · p90 25 min · 255 flights
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