CMH to SAN flight delays & on-time performance
Nonstop flights from John Glenn Columbus International Airport to San Diego International Airport · 1,964 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
On-time arrivals
63%
arrived < 15 min late
Cancelled
0.5%
1 flights
Avg arrival delay
15 min
36 min when late
Airlines
1
194 flights tracked
Key facts
- Flights from Columbus (CMH) to San Diego (SAN) arrived on time 63% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.5% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 11am did best (88% on time); around 5pm did worst (32%).
- Tuesday was the most reliable day to fly (82% on time) and Monday the least (50%).
- The largest source of delay minutes was late-arriving aircraft (40%).
Which airline is most on time from CMH to SAN?
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 |
|---|---|---|---|---|---|
| Southwest Airlines | 63% | 0.5% | 15 min | 5.7% | 194 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 11am88%17 flights
- 12pm61%76 flights
- 1pm65%52 flights
- 5pm32%25 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday50%0.0% cancelled
- Tuesday82%0.0% cancelled
- Wednesday75%0.0% cancelled
- Thursday66%0.0% cancelled
- Friday79%0.0% cancelled
- Saturday56%2.9% cancelled
- Sunday51%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 aircraft40%
- Air traffic control & airport congestion31%
- Airline (crew, maintenance, cleaning, fueling)27%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
CMH to SAN: common questions
- How often are CMH to SAN flights on time?
- 63% 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 Diego cancelled?
- 0.5% of scheduled flights were cancelled (1 of 194).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 36 min behind schedule on average, and 5.7% of flights were an hour or more late.
- How long is taxi time at CMH?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SAN to CMH — 69% 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 → SAN, nonstop flights by US airlines that report to the DOT. How we calculate this.