FlightRecord

Columbus (CMH) to San Diego (SAN): On-Time Performance

Data through July 2026

Columbus (CMH) to San Diego (SAN) is a thinner route than most in this dataset — 194 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 61% arrived on time, noticeably below the national average of 78%.

On-time
61%
arrived <15 min late
Avg delay
17 min
completed flights
Cancelled
0.5%
Flights/day
0.53
last 12 months
Duration
4h 44m
scheduled
Distance
1,964 mi

Monthly on-time trend

Monthly on-time percentage for CMH to SAN flights50%75%100%July 2024: 25% on-time (4 flights)25Jul 2024August 2024: 0% on-time (1 flights)0June 2025: 50% on-time (4 flights)50July 2025: 50% on-time (4 flights)50Jul 2025August 2025: 0% on-time (1 flights)0October 2025: 82% on-time (22 flights)82November 2025: 75% on-time (20 flights)75Nov 2025December 2025: 65% on-time (17 flights)65January 2026: 57% on-time (8 flights)57February 2026: 55% on-time (11 flights)55Feb 2026March 2026: 91% on-time (21 flights)91April 2026: 56% on-time (18 flights)56May 2026: 61% on-time (18 flights)61May 2026June 2026: 25% on-time (28 flights)25July 2026: 63% on-time (30 flights)63

Best time to fly from CMH to SAN

Aim for departures around 1 p.m. (65% on-time); avoid 5 p.m. departures (30%).

By day of week

DayOn-timeAvg delay
Monday50%17 min
Tuesdaybest82%4 min
Wednesday67%6 min
Thursday66%13 min
Friday79%8 min
Saturday51%28 min
Sunday51%21 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft43%
  • Airline operations25%
  • National airspace system26%
  • Weather6%

Frequently asked questions

How often are flights from CMH to SAN delayed?
39% of CMH–SAN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
What is the best time of day to fly from CMH to SAN?
Departures around 1 p.m. have the best record (65% on-time), while departures around 5 p.m. have the worst (30%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from CMH to SAN?
The scheduled CMH–SAN flight time averages 4h 44m over 1,964 miles. Actual arrival times vary — flights on this route land 15+ minutes late 39% of the time.
How often are CMH to SAN flights cancelled?
0.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What day of the week is most reliable for CMH to SAN?
Friday flights have the best record at 79% on-time. Day-of-week differences on this route are meaningful — Monday trails at 50%.

Based on 207 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.