FlightRecord

San Francisco (SFO) to Columbus (CMH): On-Time Performance

Data through July 2026

San Francisco (SFO) to Columbus (CMH) is a thinner route than most in this dataset — 322 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 75% arrived on time.

On-time
75%
arrived <15 min late
Avg delay
15 min
completed flights
Cancelled
1.0%
Flights/day
0.88
last 12 months
Duration
4h 45m
scheduled
Distance
2,120 mi

Monthly on-time trend

Monthly on-time percentage for SFO to CMH flights50%75%100%July 2024: 74% on-time (31 flights)74Jul 2024August 2024: 71% on-time (31 flights)71September 2024: 90% on-time (30 flights)90October 2024: 84% on-time (31 flights)84Oct 2024November 2024: 77% on-time (30 flights)77December 2024: 50% on-time (2 flights)50March 2025: 0% on-time (2 flights)0Mar 2025April 2025: 83% on-time (30 flights)83May 2025: 72% on-time (32 flights)72June 2025: 63% on-time (30 flights)63Jun 2025July 2025: 55% on-time (31 flights)55August 2025: 83% on-time (31 flights)83September 2025: 91% on-time (33 flights)91Sep 2025October 2025: 91% on-time (32 flights)91November 2025: 76% on-time (33 flights)76December 2025: 100% on-time (1 flights)100Dec 2025March 2026: 82% on-time (28 flights)82April 2026: 73% on-time (30 flights)73May 2026: 57% on-time (38 flights)57May 2026June 2026: 77% on-time (48 flights)77July 2026: 67% on-time (48 flights)67

Best time to fly from SFO to CMH

Aim for departures around 8 a.m. (86% on-time); avoid 10 p.m. departures (66%).

On-time percentage by scheduled departure hour, SFO to CMH8 a.m.: 86% on-time (69 flights)810 a.m.: 74% on-time (197 flights)1011 a.m.: 80% on-time (30 flights)111 p.m.: 80% on-time (39 flights)132 p.m.: 67% on-time (37 flights)144 p.m.: 80% on-time (25 flights)169 p.m.: 80% on-time (45 flights)2110 p.m.: 66% on-time (92 flights)2211 p.m.: 76% on-time (49 flights)23scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday80%14 min
Tuesday69%21 min
Wednesday76%18 min
Thursday72%14 min
Friday74%16 min
Saturdaybest83%7 min
Sunday73%16 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft45%
  • Airline operations41%
  • National airspace system14%

Frequently asked questions

How often are flights from SFO to CMH delayed?
25% of SFO–CMH flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
What is the best time of day to fly from SFO to CMH?
Departures around 8 a.m. have the best record (86% on-time), while departures around 10 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from SFO to CMH?
The scheduled SFO–CMH flight time averages 4h 45m over 2,120 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
How often are SFO to CMH flights cancelled?
1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What is the worst month to fly from SFO to CMH?
July 2025 was the roughest month in this dataset, with only 55% of arrivals on time. The best was September 2025 at 91%. If your dates are flexible, that 36-point gap is worth planning around.

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Based on 602 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.