DL399 · BOS → ATL

Delta Air Lines · Boston to Atlanta · last 12 months · 239 flights tracked

69.2%on-time

DL399 BOS→ATL: 69.2% on-time over 239 flights (last 12 months) — average. It trails the route average (76.8%) by 7.6 points. Best day to fly: Wed (80.6%); worst: Sun (54.5%). Seasonality matters: Jun is the most reliable month (77.8%), Jul the worst (59.3%). Average arrival delay: 24.0 minutes.

Data: US BTS, last 12 months.

24.0 minavg arrival delay

0.4%cancelled

1diverted

239flights tracked

Arrival delay distribution

Early/on time · 1331–60 min · 6861–180 min · 29180+ min · 7

On-time by day of week

Mon

70.3%

Tue

63.9%

Wed

80.6%

Thu

66.7%

Fri

75.0%

Sat

73.9%

Sun

54.5%

On-time by month

66.7%

Sep

61.3%

Oct

73.3%

Nov

77.8%

Dec

61.1%

Apr

71.0%

May

77.8%

Jun

59.3%

Jul

73.1%

Aug

← All flights on BOS–ATL