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Route Reliability

Columbus → San Diego

CMH–SAN · 1,964 miles · John Glenn Columbus International Airport to San Diego International Airport

76
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
8 min
Average arrival delay
0.7%
Cancelled
144
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 71% of the time across 144 flights. No comparison to make.

What the data says

Morning-you made the right choice.

CMH–SAN flights departing between 9 AM–12 PM arrived on time 91% of the time, versus 60% between 3–6 PM.

Mondays have been rough.

CMH–SAN flights arrived on time 79% of the time on Fridays and just 61% on Mondays. That gap is worth planning around.

Ticking up lately.

CMH–SAN flights arrived on time 72% of the time over the last three months in the data, compared with 67% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon61%(23 flights)
  • Tue—(3 flights)
  • Wed—(1 flights)
  • Thu78%(23 flights)
  • Fri79%(29 flights)
  • Sat69%(35 flights)
  • Sun62%(29 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM91%(22 flights)
  • 12–3 PM72%(76 flights)
  • 3–6 PM60%(35 flights)
  • 6–9 PM—(9 flights)
On-time trend by month
61%
May

Oct 82% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202582%22
November 202575%20
December 202571%17
February 202655%11
March 202695%21
April 202661%18
May 202661%18

Keep nerding

Based on 144 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.