UA2111 SFO → BOS

United Airlines · San Francisco, CA to Boston, MA · 15 flights observed, 2026-02-12 to 2026-03-02 · 2,704 mi

This flight has been cancelled 13% of the time in the ingested window — notably higher than typical.

UA2111 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
92%
Median delay
-20 min
90th percentile
+10 min
Cancellation rate
13%

How often is UA2111 on time?

Across 15 flights on SFO → BOS from 2026-02-12 to 2026-03-02, UA2111 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -20 min, and the worst 10% of flights arrived +10 min or later. 13% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1292%
16-30 min00%
31-60 min00%
61-120 min00%
2+ hrs18%

Performance by month

MonthFlightsOn-timeAvg delay
2026-021191%-5 min
2026-032100%-14 min

Performance by day of week

DayFlightsOn-time
Mon2100%
TueNo data—
WedNo data—
Thu3100%
Fri3100%
Sat3100%
Sun250%

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