The best bet has a stop: Southwest via Denver (6h 25m) reaches San Diego on time 86% of the time, against 72% 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 1 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.
| WN 2956 | MKE 14:30 | SAN 16:40 | 4h 10m | 42 | 86% | 0.0% | 31 min |
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 | MKE | SAN | 4h 20m | 72% | 0.0% | 193 | Flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | MKE 05:15 → DEN 06:50WN 2942 | 1h 25m Denver | DEN 08:15 → SAN 09:40WN 1699 | 6h 25m | 100% | 86% |
| SouthwestDetails → | MKE 05:25 → PHX 07:05WN 2954 | 50m Phoenix | PHX 07:55 → SAN 09:10WN 2771 | 5h 45m | 95% | 67% |
| SouthwestDetails → | MKE 13:50 → DEN 15:20WN 2945 | 1h 35m Denver | DEN 16:55 → SAN 18:20WN 4160 | 6h 30m | 94% | 39% |
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