About 1 in 5 DL 354 flights from Raleigh arrived 15+ minutes late, diverted or cancelled over the past year (18%); 1.1% were cancelled. The typical flight landed 7 minutes early.
DL 354: RDU → SEA
Scheduled to leave Raleigh at 7:36 a.m. local time. Over the past year it arrived on time 82% of the time (348 flights), in line with other DL flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 67% |
| Tuesday | 50 | 90% |
| Wednesday | 50 | 84% |
| Thursday | 49 | 84% |
| Friday | 50 | 84% |
| Saturday | 49 | 86% |
| Sunday | 49 | 78% |
Why it was late
All flights RDU → SEA · Connecting off DL 354? Check the risk
Questions
How often is DL 354 from RDU to SEA late?
Delta Air Lines 354 from Raleigh/Durham, NC to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 18% of 348 scheduled flights between September 2025 and August 2026. 1.1% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.