The best bet has a stop: Southwest via Denver (6h 55m) reaches San Diego on time 85% of the time, against 64% on the nonstop.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Pick an hour to see this route’s flights leaving then.
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
No Southwest flight on this route ran 150+ times in the year.
All 2 Southwest flights in the current schedule
Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| Southwest | CMH | SAN | 4h 45m | 64% | 0.5% | 194 | Flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | CMH 05:45 → DEN 06:50WN 1186 | 1h 25m Denver | DEN 08:15 → SAN 09:40WN 1699 | 6h 55m | 98% | 85% |
| SouthwestDetails → | CMH 06:50 → BNA 07:10WN 4477 | 55m Nashville | BNA 08:05 → SAN 10:15WN 659 | 6h 25m | 95% | 76% |
| SouthwestDetails → | CMH 09:00 → MDW 09:10WN 1197 | 58m Chicago | MDW 10:08 → SAN 12:15WN 4648 | 6h 16m | 93% | 53% |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON