DL1309 · ATL → IAD

Delta Air Lines · Atlanta to Washington Dulles · last 12 months · 287 flights tracked

72.6%on-time

DL1309 ATL→IAD: 72.6% on-time over 287 flights (last 12 months) — average. It trails the route average (76.4%) by 3.8 points. Best day to fly: Sat (88.9%); worst: Fri (54.2%). Seasonality matters: Sep is the most reliable month (100.0%), Aug the worst (52.2%). Cancellation rate is 2.1% — have a backup plan. Average arrival delay: 19.6 minutes.

Data: US BTS, last 12 months.

19.6 minavg arrival delay

2.1%cancelled

0diverted

287flights tracked

Arrival delay distribution

Early/on time · 1391–60 min · 11761–180 min · 18180+ min · 7

On-time by day of week

Mon

75.6%

Tue

70.0%

Wed

79.1%

Thu

82.0%

Fri

54.2%

Sat

88.9%

Sun

71.7%

On-time by month

100.0%

Sep

89.7%

Oct

82.8%

Nov

77.3%

Dec

93.3%

Jan

87.0%

Feb

66.7%

Mar

65.4%

Apr

53.8%

May

65.2%

Jun

56.0%

Jul

52.2%

Aug

← All flights on ATL–IAD