DL855 · ATL → BOS

Delta Air Lines · Atlanta to Boston · last 12 months · 365 flights tracked

85.2%on-time

DL855 ATL→BOS: 85.2% on-time over 365 flights (last 12 months) — excellent. It beats the route average (72.8%) by 12.4 points. Best day to fly: Sat (91.8%); worst: Mon (76.5%). Seasonality matters: May is the most reliable month (96.8%), Jan the worst (64.3%). Cancellation rate is 1.9% — have a backup plan. Average arrival delay: 7.3 minutes.

Data: US BTS, last 12 months.

7.3 minavg arrival delay

1.9%cancelled

0diverted

365flights tracked

Arrival delay distribution

Early/on time · 2481–60 min · 9861–180 min · 11180+ min · 1

On-time by day of week

Mon

76.5%

Tue

82.4%

Wed

84.6%

Thu

88.5%

Fri

90.4%

Sat

91.8%

Sun

82.4%

On-time by month

76.7%

Sep

77.4%

Oct

93.3%

Nov

87.1%

Dec

64.3%

Jan

92.3%

Feb

93.5%

Mar

93.3%

Apr

96.8%

May

90.0%

Jun

74.2%

Jul

82.8%

Aug

← All flights on ATL–BOS