DL499 · BOS → DEN

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

83.6%on-time

DL499 BOS→DEN: 83.6% on-time over 365 flights (last 12 months) — solid. It beats the route average (75.7%) by 7.9 points. Best day to fly: Sat (90.4%); worst: Tue (76.0%). Seasonality matters: Apr is the most reliable month (100.0%), Dec the worst (58.1%). Average arrival delay: 10.1 minutes.

Data: US BTS, last 12 months.

10.1 minavg arrival delay

1.4%cancelled

0diverted

365flights tracked

Arrival delay distribution

Early/on time · 2351–60 min · 11261–180 min · 11180+ min · 2

On-time by day of week

Mon

88.2%

Tue

76.0%

Wed

86.5%

Thu

78.8%

Fri

84.6%

Sat

90.4%

Sun

80.4%

On-time by month

80.0%

Sep

83.9%

Oct

93.3%

Nov

58.1%

Dec

70.0%

Jan

96.2%

Feb

71.0%

Mar

100.0%

Apr

93.3%

May

90.0%

Jun

83.3%

Jul

87.1%

Aug

← All flights on BOS–DEN