United Airlines
UA1257Miami to San Francisco
United Airlines flight UA1257 flies from Miami (MIA) to San Francisco (SFO), 4,154 km. Over August 2025 to July 2026 it usually arrives about 3 minutes early: 85% of 473 flights arrived within 15 minutes of schedule and 1.7% were cancelled (US Department of Transportation data).
On-time record, last 12 months
85%
on time (within 15 min)
6%
more than 30 min late
1.7%
cancelled
-3 min
average arrival vs schedule
Every operation of UA1257, August 2025 to July 2026: 473 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA1257
- Miami (MIA) to San Francisco (SFO)148 flights
- Washington Dulles (IAD) to Windsor Locks (BDL)131 flights
- Raleigh-durham (RDU) to Washington Dulles (IAD)88 flights
- San Francisco (SFO) to San Diego (SAN)72 flights
- Chicago O'Hare (ORD) to Miami (MIA)17 flights
- Chicago O'Hare (ORD) to Cincinnati Northern Kentucky (CVG)6 flights
- Denver (DEN) to Hayden (HDN)5 flights
- Nashville (BNA) to Newark Liberty (EWR)3 flights
- Providence (PVD) to Chicago O'Hare (ORD)1 flights
- Houston (IAH) to Miami (MIA)1 flights
Other flights from Miami to San Francisco
More about Miami (MIA) and San Francisco (SFO).
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