DL2921 · SLC → SEA

Delta Air Lines · Salt Lake City to Seattle · last 12 months · 289 flights tracked

84.0%on-time

DL2921 SLC→SEA: 84.0% on-time over 289 flights (last 12 months) — solid. It beats the route average (79.9%) by 4.1 points. Best day to fly: Sat (92.9%); worst: Fri (71.8%). Seasonality matters: Apr is the most reliable month (96.7%), Dec the worst (63.2%). Average arrival delay: 9.1 minutes.

Data: US BTS, last 12 months.

9.1 minavg arrival delay

0.7%cancelled

0diverted

289flights tracked

Arrival delay distribution

Early/on time · 1891–60 min · 9161–180 min · 4180+ min · 3

On-time by day of week

Mon

75.6%

Tue

92.7%

Wed

87.8%

Thu

82.9%

Fri

71.8%

Sat

92.9%

Sun

83.3%

On-time by month

93.3%

Sep

76.7%

Oct

78.6%

Nov

63.2%

Dec

100.0%

Jan

100.0%

Feb

91.3%

Mar

96.7%

Apr

87.1%

May

83.3%

Jun

83.9%

Jul

77.4%

Aug

← All flights on SLC–SEA