DL423 · ATL → SLC

Delta Air Lines · Atlanta to Salt Lake City · last 12 months · 365 flights tracked

85.6%on-time

DL423 ATL→SLC: 85.6% on-time over 365 flights (last 12 months) — excellent. It beats the route average (82.7%) by 2.9 points. Seasonality matters: Nov is the most reliable month (100.0%), Mar the worst (70.0%). Average arrival delay: 7.7 minutes.

Data: US BTS, last 12 months.

7.7 minavg arrival delay

0.5%cancelled

1diverted

365flights tracked

Arrival delay distribution

Early/on time · 2461–60 min · 10761–180 min · 8180+ min · 1

On-time by day of week

Mon

86.5%

Tue

84.6%

Wed

84.6%

Thu

84.6%

Fri

88.2%

Sat

88.5%

Sun

82.4%

On-time by month

96.7%

Sep

83.9%

Oct

100.0%

Nov

77.4%

Dec

87.1%

Jan

92.9%

Feb

70.0%

Mar

86.7%

Apr

83.9%

May

86.7%

Jun

83.3%

Jul

77.4%

Aug

← All flights on ATL–SLC