DL1421 · SFO → LAX

Delta Air Lines · San Francisco to Los Angeles · last 12 months · 352 flights tracked

89.7%on-time

DL1421 SFO→LAX: 89.7% on-time over 352 flights (last 12 months) — excellent. It beats the route average (70.9%) by 18.8 points. Best day to fly: Mon (94.1%); worst: Fri (81.6%). Seasonality matters: Aug is the most reliable month (96.8%), Jun the worst (80.0%). Cancellation rate is 3.7% — have a backup plan. Average arrival delay: 7.5 minutes.

Data: US BTS, last 12 months.

7.5 minavg arrival delay

3.7%cancelled

0diverted

352flights tracked

Arrival delay distribution

Early/on time · 2691–60 min · 5861–180 min · 9180+ min · 3

On-time by day of week

Mon

94.1%

Tue

92.2%

Wed

92.2%

Thu

84.3%

Fri

81.6%

Sat

92.5%

Sun

91.3%

On-time by month

96.7%

Sep

93.5%

Oct

85.7%

Nov

89.7%

Dec

92.6%

Jan

82.6%

Feb

96.0%

Mar

81.5%

Apr

96.6%

May

80.0%

Jun

82.8%

Jul

96.8%

Aug

← All flights on SFO–LAX