CMH to SAT flight delays & on-time performance
Nonstop flights from John Glenn Columbus International Airport to San Antonio International Airport · 1,139 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CMH or SAT right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Columbus (CMH) to San Antonio (SAT) arrived on time 100% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0% were cancelled, and 0% arrived an hour or more late.
- Delta Air Lines is the only airline reporting nonstop flights on this route.
Which airline is most on time from CMH to SAT?
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 |
|---|---|---|---|---|---|
| Delta Air Lines | 100% | 0.0% | 0 min | 0.0% | 1 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Sunday100%0.0% cancelled
On-time trend by month
Monthly trend appears once two or more months of data are available.
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
No delay causes recorded in this period.
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
CMH to SAT: common questions
- How often are CMH to SAT flights on time?
- 100% 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 Columbus to San Antonio cancelled?
- 0.0% of scheduled flights were cancelled (0 of 1).
- How long are typical delays?
- Across all flights the average arrival delay was 0 min (early arrivals count as zero). Flights that were late arrived – behind schedule on average, and 0.0% of flights were an hour or more late.
- How long is taxi time at CMH?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SAT to CMH — 100% on time
More flights from Columbus
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CMH → SAT, nonstop flights by US airlines that report to the DOT. How we calculate this.