UA2278 · SAN → SFO

United Airlines · San Diego to San Francisco · last 12 months · 155 flights tracked

35.1%on-time

UA2278 SAN→SFO: 35.1% on-time over 155 flights (last 12 months) — below average. It trails the route average (59.5%) by 24.4 points. Best day to fly: Sat (78.6%); worst: Wed (13.6%). Seasonality matters: Mar is the most reliable month (81.8%), Jul the worst (13.6%). Average arrival delay: 43.6 minutes.

Data: US BTS, last 12 months.

43.6 minavg arrival delay

0.6%cancelled

0diverted

155flights tracked

Arrival delay distribution

Early/on time · 321–60 min · 6961–180 min · 52180+ min · 1

On-time by day of week

Mon

24.0%

Tue

75.0%

Wed

13.6%

Thu

34.5%

Fri

42.9%

Sat

78.6%

Sun

21.4%

On-time by month

58.8%

Feb

81.8%

Mar

27.6%

Apr

19.0%

May

23.8%

Jun

13.6%

Jul

27.3%

Aug

← All flights on SAN–SFO