United Airlines
UA2256San Francisco to Boston
United Airlines flight UA2256 flies from San Francisco (SFO) to Boston (BOS), 4,341 km. Over December 2025 to March 2026 it usually arrives about 5 minutes early: 84% of 115 flights arrived within 15 minutes of schedule and 0.9% were cancelled (US Department of Transportation data).
On-time record, last 12 months
84%
on time (within 15 min)
11%
more than 30 min late
0.9%
cancelled
-5 min
average arrival vs schedule
Every operation of UA2256, December 2025 to March 2026: 115 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA2256
- San Francisco (SFO) to Boston (BOS)37 flights
- Phoenix Sky Harbor (PHX) to San Francisco (SFO)22 flights
- Houston (IAH) to Seattle Tacoma (SEA)19 flights
- Chicago O'Hare (ORD) to Houston (IAH)19 flights
- Burlington (BTV) to Washington Dulles (IAD)9 flights
- Washington Dulles (IAD) to Burlington (BTV)9 flights
Other flights from San Francisco to Boston
More about San Francisco (SFO) and Boston (BOS).
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