DL473: Delta flight 473
Seattle (SEA) → Boston (BOS) · departs 11:10p, lands 7:35a +1 local · Daily
The timetable below has every scheduled departure; for today's flight, check Delta.
An estimate from the published timetable, not live tracking: it cannot know about delays, diversions or cancellations.
Live status at Delta →The route
One hop: SEA → BOSDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
DL473 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 14–20.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| SEA → BOSSeattle to Boston | 11:10p | 7:35a +1 | 5h25m | Daily |
Other nonstops from Seattle to Boston
The departures either side of DL473. Times are Seattle time.
| Flight | Departs | Days |
|---|---|---|
| Delta DL474 | 3:30p | Mon, Tue, Wed, Thu, Fri, Sun |
| Alaska AS460 | 3:32p | Daily |
| Alaska AS214 | 11:00p | Daily |
| This flight DL473 | 11:10p | Daily |
| JetBlue | 11:55p | Daily |
All 9 flights from SEA to BOS, by time →
Flying back from Boston
Delta flies Boston to Seattle nonstop 27 times a week, from 7:55a to 7:45p: 7:55a DL384 · 10:50a DL332 · 3:47p DL2889 · 7:25p DL797 · every nonstop BOS → SEA →
How DL473 ran in our sample
5 of 7 departures left within 15 minutes of schedule (Oct 14–20). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Airbus A321neo on 7 of 7.
What time does DL473 leave Seattle?
DL473 is scheduled to depart Seattle (SEA) at 11:10p (daily), Seattle time, and to land in Boston (BOS) at about 7:35a the next day local time, a scheduled 5h25m. Times are the published ones from the flights we sampled Oct 14–20; check Delta for today's.
What plane is DL473?
Airbus A321neo on 7 of the 7 DL473 flights from SEA we sampled Oct 14–20. Airlines swap aircraft, so the plane on a given day can differ.
Does DL473 fly every day?
Yes — DL473 flew Seattle to Boston every day of the week we sampled (Oct 14–20).
Is DL473 usually on time?
Of 7 DL473 departures from SEA we sampled Oct 14–20, 5 left within 15 minutes of the scheduled time. That counts only flights that departed — cancellations are not in our data — and one week is a small sample, so treat it as a hint, not a rating.
More Delta flights from Seattle
Timetable from Delta departures we observed; DL473 is a Delta Air Lines flight number, and Hop Nonstop is not affiliated with Delta. Schedules change — confirm with the airline before you travel.