DL831 · AUS → SEA

Delta Air Lines · AUS to Seattle · last 12 months · 231 flights tracked

73.6%on-time

DL831 AUS→SEA: 73.6% on-time over 231 flights (last 12 months) — average. It trails the route average (81.3%) by 7.7 points. Best day to fly: Sat (91.7%); worst: Thu (52.9%). Seasonality matters: Apr is the most reliable month (88.0%), May the worst (63.3%). Cancellation rate is 1.7% — have a backup plan. Average arrival delay: 21.3 minutes.

Data: US BTS, last 12 months.

21.3 minavg arrival delay

1.7%cancelled

0diverted

231flights tracked

Arrival delay distribution

Early/on time · 1261–60 min · 8061–180 min · 16180+ min · 5

On-time by day of week

Mon

77.1%

Tue

79.4%

Wed

73.5%

Thu

52.9%

Fri

70.6%

Sat

91.7%

Sun

75.0%

On-time by month

0.0%

Sep

84.0%

Jan

78.6%

Feb

77.8%

Mar

88.0%

Apr

63.3%

May

75.9%

Jun

64.5%

Jul

64.5%

Aug

← All flights on AUS–SEA