UA1557 BWI → SFO

United Airlines · Baltimore, MD to San Francisco, CA · 19 flights observed, 2025-12-18 to 2026-01-05 · 2,457 mi

UA1557 covers more than one route in the data window — the stats below are for BWI → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
50%
Median delay
+14 min
90th percentile
+28 min
Cancellation rate
0%

How often is UA1557 on time?

Across 19 flights on BWI → SFO from 2025-12-18 to 2026-01-05, UA1557 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +14 min, and the worst 10% of flights arrived +28 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time950%
16-30 min844%
31-60 min16%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121354%+9 min
2026-01540%+23 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue250%
Wed1100%
Thu367%
Fri367%
Sat333%
Sun30%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…