No clear winner: Delta’s SEA → SMF flights land within a few points of 9 in 10 on time whatever the hour.
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.
All 5 Delta 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.
| DL 3881flown by SkyWest | SEA 08:47 | SMF 10:50 | 2h 03m | 357 | 92% | 0.0% | 81 min |
| DL 4125flown by SkyWest | SEA 10:10 | SMF 12:18 | 2h 08m | 349 | 91% | 0.0% | 61 min |
| DL 4153flown by SkyWest | SEA 14:45 | SMF 16:47 | 2h 02m | 110 | 88% | 0.0% | 51 min |
| DL 4043flown by SkyWest | SEA 17:00 | SMF 19:01 | 2h 01m | 314 | 89% | 0.3% | 52 min |
| DL 4131flown by SkyWest | SEA 20:25 | SMF 22:28 | 2h 03m | 319 | 91% | 0.3% | 54 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.
| Delta | SEA | SMF | 2h 03m | 90% | 0.2% | 1,634 | 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