United Airlines
UA1734Boston to Washington
United Airlines flight UA1734 flies from Boston (BOS) to Washington Dulles (IAD), 664 km. Over August 2025 to July 2026 it usually arrives about 7 minutes early: 93% of 602 flights arrived within 15 minutes of schedule and 1.8% were cancelled (US Department of Transportation data).
On-time record, last 12 months
93%
on time (within 15 min)
4%
more than 30 min late
1.8%
cancelled
-7 min
average arrival vs schedule
Every operation of UA1734, August 2025 to July 2026: 602 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA1734
Other flights from Boston to Washington
More about Boston (BOS) and Washington Dulles (IAD).
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