SFO to CMH flight delays & on-time performance
Nonstop flights from San Francisco International Airport to John Glenn Columbus International Airport · 2,120 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SFO or CMH right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from San Francisco (SFO) to Columbus (CMH) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.6% were cancelled, and 6% arrived an hour or more late.
- United Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8am did best (86% on time); around 10am did worst (66%).
- Saturday was the most reliable day to fly (83% on time) and Tuesday the least (71%).
- The largest source of delay minutes was late-arriving aircraft (58%).
Which airline is most on time from SFO to CMH?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 77% | 0.6% | 13 min | 5.7% | 322 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am86%69 flights
- 10am66%71 flights
- 12pm75%16 flights
- 1pm82%38 flights
- 2pm67%37 flights
- 4pm83%25 flights
- 9pm82%45 flights
- 10pm85%21 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%2.0% cancelled
- Tuesday71%0.0% cancelled
- Wednesday77%2.5% cancelled
- Thursday76%0.0% cancelled
- Friday75%0.0% cancelled
- Saturday83%0.0% cancelled
- Sunday80%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft58%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion10%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)100%
- Extreme weather0%
- Air traffic control & airport congestion0%
- Security0%
SFO to CMH: common questions
- How often are SFO to CMH flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from San Francisco to Columbus cancelled?
- 0.6% of scheduled flights were cancelled (2 of 322).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 54 min behind schedule on average, and 5.7% of flights were an hour or more late.
- How long is taxi time at SFO?
- Flights on this route spent 23 min taxiing from the gate to takeoff on average.
Related routes
Return trip: CMH to SFO — 64% on time
More flights from San Francisco
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SFO → CMH, nonstop flights by US airlines that report to the DOT. How we calculate this.