Route Reliability
San Francisco → Columbus
SFO–CMH · 2,120 miles · San Francisco International Airport to John Glenn Columbus International Airport
- 76%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.7%
- Cancelled
- 287
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 76% of the time across 287 flights. No comparison to make.
What the data says
The 6–9 AM departure wins.
SFO–CMH flights departing between 6–9 AM arrived on time 88% of the time, versus 64% between 9 AM–12 PM.
Friday is doing you no favors.
SFO–CMH flights arrived on time 83% of the time on Saturdays. On Fridays: 69%.
Recent months have been rougher.
SFO–CMH flights arrived on time 73% of the time over the last three months in the data, compared with 88% in the three months before that.
Flights on this route
The breakdown
- Mon82%(39 flights)
- Tue76%(38 flights)
- Wed74%(39 flights)
- Thu74%(42 flights)
- Fri69%(42 flights)
- Sat83%(41 flights)
- Sun74%(43 flights)
- 6–9 AM88%(68 flights)
- 9 AM–12 PM64%(11 flights)
- 12–3 PM75%(91 flights)
- 3–6 PM83%(24 flights)
- 9 PM–12 AM68%(90 flights)
Jun 67% → May 60% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 30 |
| July 2025 | 55% | 31 |
| August 2025 | 83% | 30 |
| September 2025 | 94% | 33 |
| October 2025 | 94% | 32 |
| November 2025 | 76% | 33 |
| March 2026 | 85% | 27 |
| April 2026 | 73% | 30 |
| May 2026 | 60% | 37 |
Keep nerding
Based on 287 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.