No clear winner: Delta’s RDU → SEA flights land within a few points of 85% 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.
| DL 354 | RDU 06:38 | SEA 09:25 | 85% |
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 354 | RDU 06:38 | SEA 09:25 | 5h 47m | 348 | 85% | 1.1% | 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 | RDU | SEA | 6h 06m | 85% | 1.4% | 364 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | RDU 07:30 → ATL 08:59DL 2478 | 2h 11m Atlanta | ATL 11:10 → SEA 13:38DL 648 | 9h 08m | 97% | 83% |
| DeltaDetails → | RDU 06:00 → MSP 07:46DL 2538 | 1h 19m Minneapolis | MSP 09:05 → SEA 10:59DL 868 | 7h 59m | 94% | 81% |
| DeltaDetails → | RDU 06:20 → ATL 07:48DL 1192 | 2h 04m Atlanta | ATL 09:52 → SEA 12:20DL 774 | 9h 02m | 99% | 80% |
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