The nonstop is quickest: Delta PHL → SEA (6h 14m), on time 72% of the time. Delta via Atlanta (10h 13m) is more reliable, 84%, but takes 3h 59m longer.
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 Delta flight on this route ran 150+ times in the year.
All 1 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 2092 | PHL 18:45 | SEA 21:59 | 6h 14m | 82 | 72% | 0.0% | 82 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 | PHL | SEA | 6h 14m | 72% | 0.0% | 82 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | PHL 07:23 → SLC 10:06DL 2023 | 1h 29m Salt Lake City | SLC 11:35 → SEA 12:52DL 2995 | 8h 29m | 95% | 83% |
| DeltaDetails → | PHL 05:40 → MSP 07:23DL 2791 | 1h 42m Minneapolis | MSP 09:05 → SEA 10:59DL 868 | 8h 19m | 95% | 81% |
| DeltaDetails → | PHL 06:25 → ATL 08:32DL 1152 | 1h 20m Atlanta | ATL 09:52 → SEA 12:20DL 774 | 8h 57m | 95% | 78% |
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