Historical on-time performance
San Francisco to Columbus
2,120 miData through Dec 2025Source: US DOT · BTS
Flights on SFO–CMH arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 252 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time77%Medianon timep9030 minCancel0.4%Flights252
Why flights run late
Delay causes
- Airline42%
- Weather0%
- Air traffic (NAS)28%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SFO → CMH
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 84% on time.
- Mornings84% on time · p90 20 min · 260 flights
- Overnights71% on time · p90 50 min · 371 flights
- Middays67% on time · p90 45 min · 307 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 79% on time.
- Mondays79% on time · p90 35 min · 134 flights · limited
- Saturdays78% on time · p90 25 min · 134 flights · limited
- Thursdays73% on time · p90 30 min · 133 flights · limited
- Tuesdays73% on time · p90 35 min · 133 flights · limited
- Wednesdays72% on time · p90 45 min · 135 flights · limited
- Sundays71% on time · p90 35 min · 136 flights · limited
- Fridays68% on time · p90 60 min · 133 flights · limited
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