DL2919 · BOS → SFO

Delta Air Lines · Boston to San Francisco · last 12 months · 79 flights tracked

61.8%on-time

DL2919 BOS→SFO: 61.8% on-time over 79 flights (last 12 months) — below average. It trails the route average (69.2%) by 7.4 points. Best day to fly: Fri (72.2%); worst: Thu (52.9%). Seasonality matters: Jun is the most reliable month (76.9%), Aug the worst (45.5%). Cancellation rate is 2.5% — have a backup plan. Average arrival delay: 24.6 minutes.

Data: US BTS, last 12 months.

24.6 minavg arrival delay

2.5%cancelled

1diverted

79flights tracked

Arrival delay distribution

Early/on time · 231–60 min · 4261–180 min · 10180+ min · 1

On-time by day of week

Mon

57.9%

Tue

62.5%

Wed

62.5%

Thu

52.9%

Fri

72.2%

Sun

66.7%

On-time by month

56.2%

Apr

64.0%

May

76.9%

Jun

58.3%

Jul

45.5%

Aug

← All flights on BOS–SFO