UA796 SFO → BOS

United Airlines · San Francisco, CA to Boston, MA · 184 flights observed, 2025-08-01 to 2026-06-29 · 2,704 mi

This flight's scheduled flight time has grown by 11 min since 2025-08 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.

UA796 covers more than one route in the data window — the stats below are for SFO → BOS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
87%
Median delay
-8 min
90th percentile
+19 min
Cancellation rate
1%

How often is UA796 on time?

Across 184 flights on SFO → BOS from 2025-08-01 to 2026-06-29, UA796 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +19 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time16087%
16-30 min127%
31-60 min74%
61-120 min42%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-083087%+3 min
2025-093083%+1 min
2025-102596%-8 min
2026-031782%-6 min
2026-043090%-20 min
2026-052692%-9 min
2026-062580%-3 min

Performance by day of week

DayFlightsOn-time
Mon2983%
Tue2291%
Wed2190%
Thu2993%
Fri3077%
Sat2391%
Sun2990%

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