DL571 · BOS → SAN

Delta Air Lines · Boston to San Diego · last 12 months · 364 flights tracked

66.0%on-time

DL571 BOS→SAN: 66.0% on-time over 364 flights (last 12 months) — average. It trails the route average (75.3%) by 9.3 points. Best day to fly: Mon (70.6%); worst: Fri (57.7%). Seasonality matters: Feb is the most reliable month (80.8%), Sep the worst (50.0%). Cancellation rate is 1.6% — have a backup plan. Average arrival delay: 15.9 minutes.

Data: US BTS, last 12 months.

15.9 minavg arrival delay

1.6%cancelled

5diverted

364flights tracked

Arrival delay distribution

Early/on time · 1691–60 min · 15761–180 min · 26180+ min · 1

On-time by day of week

Mon

70.6%

Tue

67.3%

Wed

62.7%

Thu

69.4%

Fri

57.7%

Sat

66.7%

Sun

68.0%

On-time by month

50.0%

Sep

54.8%

Oct

62.1%

Nov

76.7%

Dec

57.1%

Jan

80.8%

Feb

77.4%

Mar

60.0%

Apr

64.5%

May

73.3%

Jun

71.0%

Jul

54.8%

Aug

← All flights on BOS–SAN