UA1424 · SEA → SFO

United Airlines · Seattle to San Francisco · last 12 months · 73 flights tracked

81.9%on-time

UA1424 SEA→SFO: 81.9% on-time over 73 flights (last 12 months) — solid. It beats the route average (59.8%) by 22.1 points. Best day to fly: Wed (90.9%); worst: Thu (55.6%). Seasonality matters: Dec is the most reliable month (88.2%), Nov the worst (78.6%). Average arrival delay: 21.1 minutes.

Data: US BTS, last 12 months.

21.1 minavg arrival delay

1.4%cancelled

0diverted

73flights tracked

Arrival delay distribution

Early/on time · 481–60 min · 1561–180 min · 6180+ min · 3

On-time by day of week

Mon

90.9%

Tue

90.9%

Wed

90.9%

Thu

55.6%

Fri

80.0%

Sat

88.9%

Sun

72.7%

On-time by month

66.7%

Oct

78.6%

Nov

88.2%

Dec

82.4%

Feb

100.0%

Mar

← All flights on SEA–SFO