DL1399 · BOS → MIA

Delta Air Lines · Boston to Miami · last 12 months · 345 flights tracked

84.0%on-time

DL1399 BOS→MIA: 84.0% on-time over 345 flights (last 12 months) — solid. It beats the route average (78.0%) by 6.0 points. Best day to fly: Wed (89.8%); worst: Thu (76.0%). Seasonality matters: Sep is the most reliable month (90.0%), Dec the worst (68.4%). Cancellation rate is 2.0% — have a backup plan. Average arrival delay: 15.4 minutes.

Data: US BTS, last 12 months.

15.4 minavg arrival delay

2.0%cancelled

0diverted

345flights tracked

Arrival delay distribution

Early/on time · 2281–60 min · 9361–180 min · 11180+ min · 6

On-time by day of week

Mon

81.6%

Tue

89.4%

Wed

89.8%

Thu

76.0%

Fri

86.0%

Sat

84.4%

Sun

81.2%

On-time by month

90.0%

Sep

83.9%

Oct

89.7%

Nov

68.4%

Dec

76.0%

Jan

78.3%

Feb

86.7%

Mar

83.3%

Apr

83.9%

May

83.3%

Jun

89.7%

Jul

87.1%

Aug

← All flights on BOS–MIA