DL1655 · SFO → BOS

Delta Air Lines · San Francisco to Boston · last 12 months · 171 flights tracked

69.0%on-time

DL1655 SFO→BOS: 69.0% on-time over 171 flights (last 12 months) — average. It trails the route average (74.5%) by 5.5 points. Best day to fly: Sat (83.3%); worst: Wed (60.0%). Seasonality matters: Dec is the most reliable month (88.2%), Jun the worst (50.0%). Cancellation rate is 1.8% — have a backup plan. Average arrival delay: 21.8 minutes.

Data: US BTS, last 12 months.

21.8 minavg arrival delay

1.8%cancelled

0diverted

171flights tracked

Arrival delay distribution

Early/on time · 851–60 min · 6561–180 min · 16180+ min · 2

On-time by day of week

Mon

64.5%

Tue

75.0%

Wed

60.0%

Thu

67.7%

Fri

69.0%

Sat

83.3%

Sun

72.0%

On-time by month

64.7%

Sep

73.9%

Oct

63.2%

Nov

88.2%

Dec

87.5%

Apr

56.0%

May

50.0%

Jun

76.5%

Jul

71.4%

Aug

← All flights on SFO–BOS