Leave before 9 am: 94% depart on time. After 4 pm it’s 35%.
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 6 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 1424 | SFO 05:10 | DEN 08:40 | 2h 30m | 49 | 96% | 0.0% | 63 min |
| WN 4284 | SFO 10:00 | DEN 13:30 | 2h 30m | 34 | 12% | 2.9% | 76 min |
| WN 3984 | SFO 11:10 | DEN 14:50 | 2h 40m | 16 | 21% | 0.0% | 80 min |
| WN 2711 | SFO 14:20 | DEN 17:55 | 2h 35m | 16 | 6% | 0.0% | 75 min |
| WN 3641 | SFO 14:35 | DEN 18:10 | 2h 35m | 42 | 10% | 0.0% | 70 min |
| WN 3642 | SFO 19:20 | DEN 22:58 | 2h 38m | 42 | 50% | 4.8% | 80 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 | SFO | DEN | 2h 30m | 61% | 0.8% | 1,413 | Flying now |
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