DL820 · DCA → SLC

Delta Air Lines · Washington National to Salt Lake City · last 12 months · 364 flights tracked

72.8%on-time

DL820 DCA→SLC: 72.8% on-time over 364 flights (last 12 months) — average. Best day to fly: Sat (81.6%); worst: Wed (61.5%). Seasonality matters: Nov is the most reliable month (90.0%), Jan the worst (56.7%). Average arrival delay: 18.8 minutes.

Data: US BTS, last 12 months.

18.8 minavg arrival delay

1.1%cancelled

0diverted

364flights tracked

Arrival delay distribution

Early/on time · 1741–60 min · 15661–180 min · 23180+ min · 7

On-time by day of week

Mon

71.7%

Tue

80.8%

Wed

61.5%

Thu

67.3%

Fri

71.2%

Sat

81.6%

Sun

76.0%

On-time by month

76.7%

Sep

77.4%

Oct

90.0%

Nov

80.6%

Dec

56.7%

Jan

80.8%

Feb

67.7%

Mar

70.0%

Apr

77.4%

May

60.0%

Jun

75.9%

Jul

61.3%

Aug

← All flights on DCA–SLC