Delta Air Lines
DL473Seattle to Boston
Delta Air Lines flight DL473 flies from Seattle Tacoma (SEA) to Boston (BOS), 4,006 km. Over August 2025 to July 2026 it usually arrives about 2 minutes early: 82% of 363 flights arrived within 15 minutes of schedule and 1.4% were cancelled (US Department of Transportation data).
On-time record, last 12 months
82%
on time (within 15 min)
7%
more than 30 min late
1.4%
cancelled
-2 min
average arrival vs schedule
Every operation of DL473, August 2025 to July 2026: 363 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as DL473
- Seattle Tacoma (SEA) to Boston (BOS)363 flights
Other flights from Seattle to Boston
More about Seattle Tacoma (SEA) and Boston (BOS).
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