DL820 · SLC → DCA

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

83.9%on-time

DL820 SLC→DCA: 83.9% on-time over 364 flights (last 12 months) — solid. Best day to fly: Sun (91.8%); worst: Fri (76.5%). Seasonality matters: May is the most reliable month (93.5%), Aug the worst (67.7%). Average arrival delay: 7.2 minutes.

Data: US BTS, last 12 months.

7.2 minavg arrival delay

0.8%cancelled

7diverted

364flights tracked

Arrival delay distribution

Early/on time · 2361–60 min · 11261–180 min · 6180+ min · 0

On-time by day of week

Mon

80.8%

Tue

88.5%

Wed

80.8%

Thu

78.0%

Fri

76.5%

Sat

91.7%

Sun

91.8%

On-time by month

83.3%

Sep

87.1%

Oct

86.7%

Nov

93.5%

Dec

70.0%

Jan

80.8%

Feb

83.9%

Mar

86.7%

Apr

93.5%

May

80.0%

Jun

73.3%

Jul

67.7%

Aug

← All flights on SLC–DCA