Historical on-time performance
San Francisco to Columbus
2,120 miData through May 2026Source: US DOT · BTS
Flights on SFO–CMH arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 258 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time73%Medianon timep9035 minCancel0.8%Flights258
Why flights run late
Delay causes
- Airline41%
- Weather0%
- Air traffic (NAS)21%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline100%
- Weather0%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 2 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 SFO → CMH
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 72% to 84% on time.
- Mornings84% on time · p90 20 min · 260 flights
- Middays78% on time · p90 35 min · 223 flights
- Overnights72% on time · p90 40 min · 338 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 83% on time.
- Saturdays83% on time · p90 15 min · 126 flights · limited
- Mondays79% on time · p90 35 min · 125 flights · limited
- Tuesdays79% on time · p90 35 min · 123 flights · limited
- Wednesdays76% on time · p90 35 min · 126 flights · limited
- Thursdays76% on time · p90 40 min · 127 flights · limited
- Fridays73% on time · p90 50 min · 127 flights · limited
- Sundays71% on time · p90 35 min · 129 flights · limited
Keep exploring