UA1777 EWR → SFO

United Airlines · Newark, NJ to San Francisco, CA · 347 flights observed, 2025-07-01 to 2026-06-30 · 2,565 mi

UA1777 covers more than one route in the data window — the stats below are for EWR → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
72%
Median delay
-4 min
90th percentile
+54 min
Cancellation rate
3%

How often is UA1777 on time?

Across 347 flights on EWR → SFO from 2025-07-01 to 2026-06-30, UA1777 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +54 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time24472%
16-30 min3310%
31-60 min329%
61-120 min134%
2+ hrs154%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072983%-6 min
2025-081385%0 min
2025-093090%-11 min
2025-103060%+18 min
2025-112966%+8 min
2025-123050%+28 min
2026-012979%+16 min
2026-022673%+22 min
2026-033077%+18 min
2026-043073%+19 min
2026-053168%+20 min
2026-063073%+9 min

Performance by day of week

DayFlightsOn-time
Mon4766%
Tue4871%
Wed5080%
Thu4867%
Fri4879%
Sat4965%
Sun4779%

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