WN3421 · SAN → SFO

Southwest Airlines · San Diego to San Francisco · last 12 months · 55 flights tracked

75.9%on-time

WN3421 SAN→SFO: 75.9% on-time over 55 flights (last 12 months) — solid. It beats the route average (59.5%) by 16.4 points. Best day to fly: Fri (87.5%); worst: Sun (62.5%). Cancellation rate is 1.8% — have a backup plan. Average arrival delay: 22.4 minutes.

Data: US BTS, last 12 months.

22.4 minavg arrival delay

1.8%cancelled

0diverted

55flights tracked

Arrival delay distribution

Early/on time · 331–60 min · 1461–180 min · 5180+ min · 2

On-time by day of week

Mon

75.0%

Tue

77.8%

Wed

77.8%

Thu

71.4%

Fri

87.5%

Sat

80.0%

Sun

62.5%

On-time by month

88.0%

Jan

60.0%

Feb

100.0%

Mar

← All flights on SAN–SFO