FlightRecord

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

Data through May 2026

San Francisco (SFO) to Columbus (CMH) is a thinner route than most in this dataset — 287 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 77% arrived on time.

On-time
77%
arrived <15 min late
Avg delay
14 min
completed flights
Cancelled
1.3%
Flights/day
0.79
last 12 months
Duration
4h 43m
scheduled
Distance
2,120 mi

Monthly on-time trend

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

Best time to fly from SFO to CMH

Aim for departures around 8 a.m. (85% on-time); avoid 2 p.m. departures (67%).

On-time percentage by scheduled departure hour, SFO to CMH8 a.m.: 85% on-time (68 flights)810 a.m.: 77% on-time (137 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)1610 p.m.: 72% on-time (118 flights)2211 p.m.: 76% on-time (53 flights)23scheduled departure hour

By day of week

DayOn-timeAvg delay
Mondaybest84%14 min
Tuesday73%21 min
Wednesday76%15 min
Thursday75%13 min
Friday76%13 min
Saturday83%7 min
Sunday70%15 min

What causes delays on this route

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

  • Late-arriving aircraft37%
  • Airline operations45%
  • National airspace system18%

Frequently asked questions

How often are flights from SFO to CMH delayed?
23% of SFO–CMH flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 14 minutes.
What is the best time of day to fly from SFO to CMH?
Departures around 8 a.m. have the best record (85% on-time), while departures around 2 p.m. have the worst (67%). 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 43m over 2,120 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
How often are SFO to CMH flights cancelled?
1.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, 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 536 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.