UA1871 · SAN → SFO

United Airlines · San Diego to San Francisco · last 12 months · 126 flights tracked

76.2%on-time
UA1871 SAN→SFO: 76.2% on-time over 126 flights (last 12 months) — solid. It beats the route average (59.5%) by 16.7 points. Best day to fly: Sat (88.9%); worst: Thu (52.9%). Seasonality matters: Sep is the most reliable month (90.0%), Nov the worst (69.0%). Average arrival delay: 26.3 minutes.
Data: US BTS, last 12 months.
26.3 minavg arrival delay
0.0%cancelled
0diverted
126flights tracked

Arrival delay distribution

Early/on time · 761–60 min · 3461–180 min · 12180+ min · 4

On-time by day of week

Mon
84.2%
Tue
83.3%
Wed
77.8%
Thu
52.9%
Fri
61.1%
Sat
88.9%
Sun
83.3%

On-time by month

90.0%
Sep
83.9%
Oct
69.0%
Nov
71.0%
Dec
20.0%
Jan

← All flights on SAN–SFO