DL499 · DEN → BOS

Delta Air Lines · Denver to Boston · last 12 months · 349 flights tracked

71.5%on-time

DL499 DEN→BOS: 71.5% on-time over 349 flights (last 12 months) — average. It beats the route average (69.6%) by 1.9 points. Best day to fly: Sat (79.6%); worst: Tue (63.3%). Seasonality matters: Mar is the most reliable month (90.3%), Sep the worst (40.0%). Average arrival delay: 19.2 minutes.

Data: US BTS, last 12 months.

19.2 minavg arrival delay

1.1%cancelled

1diverted

349flights tracked

Arrival delay distribution

Early/on time · 1821–60 min · 12961–180 min · 29180+ min · 4

On-time by day of week

Mon

73.5%

Tue

63.3%

Wed

70.0%

Thu

70.0%

Fri

76.0%

Sat

79.6%

Sun

68.1%

On-time by month

40.0%

Sep

48.4%

Oct

86.7%

Nov

89.5%

Dec

76.9%

Jan

81.5%

Feb

90.3%

Mar

80.0%

Apr

80.0%

May

70.0%

Jun

63.3%

Jul

58.1%

Aug

← All flights on DEN–BOS